Home / 12,643,593.90-17,448,190.59-6,842,417.84

Finding the Fourth Proportional to 12,643,593.90, 17,448,190.59 and 6,842,417.84

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Solution

The fourth proportional to 12,643,593.90, 17,448,190.59 and 6,842,417.84 is: 9,442,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,593.90 : 17,448,190.59 = 6,842,417.84 : x
  2. Step 2: Convert to fraction form
    12,643,593.90/17,448,190.59 = 6,842,417.84/x
  3. Step 3: Cross multiply
    12,643,593.90x = 17,448,190.59 × 6,842,417.84
  4. Step 4: Simplify right side
    12,643,593.90x = 119,387,810,613,001.55
  5. Step 5: Solve for x
    x = 119,387,810,613,001.55/12,643,593.90
  6. Step 6: Final answer
    x = 9,442,553.40

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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.