Home / 12,731,874-17,569,988.13-6,930,699.15

Finding the Fourth Proportional to 12,731,874, 17,569,988.13 and 6,930,699.15

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Solution

The fourth proportional to 12,731,874, 17,569,988.13 and 6,930,699.15 is: 9,564,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,874 : 17,569,988.13 = 6,930,699.15 : x
  2. Step 2: Convert to fraction form
    12,731,874/17,569,988.13 = 6,930,699.15/x
  3. Step 3: Cross multiply
    12,731,874x = 17,569,988.13 × 6,930,699.15
  4. Step 4: Simplify right side
    12,731,874x = 121,772,301,798,101.09
  5. Step 5: Solve for x
    x = 121,772,301,798,101.09/12,731,874
  6. Step 6: Final answer
    x = 9,564,365.92

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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.