Home / 12,061,386.30-18,092,079.45-11,501,514.30

Finding the Fourth Proportional to 12,061,386.30, 18,092,079.45 and 11,501,514.30

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Solution

The fourth proportional to 12,061,386.30, 18,092,079.45 and 11,501,514.30 is: 17,252,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,386.30 : 18,092,079.45 = 11,501,514.30 : x
  2. Step 2: Convert to fraction form
    12,061,386.30/18,092,079.45 = 11,501,514.30/x
  3. Step 3: Cross multiply
    12,061,386.30x = 18,092,079.45 × 11,501,514.30
  4. Step 4: Simplify right side
    12,061,386.30x = 208,086,310,510,911.12
  5. Step 5: Solve for x
    x = 208,086,310,510,911.12/12,061,386.30
  6. Step 6: Final answer
    x = 17,252,271.45

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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.