Home / 12,798,920.01-17,662,677.15-6,997,708.42

Finding the Fourth Proportional to 12,798,920.01, 17,662,677.15 and 6,997,708.42

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Solution

The fourth proportional to 12,798,920.01, 17,662,677.15 and 6,997,708.42 is: 9,656,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,920.01 : 17,662,677.15 = 6,997,708.42 : x
  2. Step 2: Convert to fraction form
    12,798,920.01/17,662,677.15 = 6,997,708.42/x
  3. Step 3: Cross multiply
    12,798,920.01x = 17,662,677.15 × 6,997,708.42
  4. Step 4: Simplify right side
    12,798,920.01x = 123,598,264,612,296.59
  5. Step 5: Solve for x
    x = 123,598,264,612,296.59/12,798,920.01
  6. Step 6: Final answer
    x = 9,656,929.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.