Home / 15,642,447.12-21,563,957.16-10,982,044.08

Finding the Fourth Proportional to 15,642,447.12, 21,563,957.16 and 10,982,044.08

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Solution

The fourth proportional to 15,642,447.12, 21,563,957.16 and 10,982,044.08 is: 15,139,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,447.12 : 21,563,957.16 = 10,982,044.08 : x
  2. Step 2: Convert to fraction form
    15,642,447.12/21,563,957.16 = 10,982,044.08/x
  3. Step 3: Cross multiply
    15,642,447.12x = 21,563,957.16 × 10,982,044.08
  4. Step 4: Simplify right side
    15,642,447.12x = 236,816,328,070,351.62
  5. Step 5: Solve for x
    x = 236,816,328,070,351.62/15,642,447.12
  6. Step 6: Final answer
    x = 15,139,340.17

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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.