Home / 12,841,304.95-17,720,996.56-7,039,962.14

Finding the Fourth Proportional to 12,841,304.95, 17,720,996.56 and 7,039,962.14

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Solution

The fourth proportional to 12,841,304.95, 17,720,996.56 and 7,039,962.14 is: 9,715,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,304.95 : 17,720,996.56 = 7,039,962.14 : x
  2. Step 2: Convert to fraction form
    12,841,304.95/17,720,996.56 = 7,039,962.14/x
  3. Step 3: Cross multiply
    12,841,304.95x = 17,720,996.56 × 7,039,962.14
  4. Step 4: Simplify right side
    12,841,304.95x = 124,755,144,759,265.36
  5. Step 5: Solve for x
    x = 124,755,144,759,265.36/12,841,304.95
  6. Step 6: Final answer
    x = 9,715,145.40

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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.