Home / 36,693,009.40-55,039,514.10-19,686,897.40

Finding the Fourth Proportional to 36,693,009.40, 55,039,514.10 and 19,686,897.40

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Solution

The fourth proportional to 36,693,009.40, 55,039,514.10 and 19,686,897.40 is: 29,530,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693,009.40 : 55,039,514.10 = 19,686,897.40 : x
  2. Step 2: Convert to fraction form
    36,693,009.40/55,039,514.10 = 19,686,897.40/x
  3. Step 3: Cross multiply
    36,693,009.40x = 55,039,514.10 × 19,686,897.40
  4. Step 4: Simplify right side
    36,693,009.40x = 1,083,557,267,032,553.25
  5. Step 5: Solve for x
    x = 1,083,557,267,032,553.25/36,693,009.40
  6. Step 6: Final answer
    x = 29,530,346.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.