Home / 13,721,934.28-18,935,830.02-7,526,893

Finding the Fourth Proportional to 13,721,934.28, 18,935,830.02 and 7,526,893

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Solution

The fourth proportional to 13,721,934.28, 18,935,830.02 and 7,526,893 is: 10,386,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,934.28 : 18,935,830.02 = 7,526,893 : x
  2. Step 2: Convert to fraction form
    13,721,934.28/18,935,830.02 = 7,526,893/x
  3. Step 3: Cross multiply
    13,721,934.28x = 18,935,830.02 × 7,526,893
  4. Step 4: Simplify right side
    13,721,934.28x = 142,527,966,426,727.84
  5. Step 5: Solve for x
    x = 142,527,966,426,727.84/13,721,934.28
  6. Step 6: Final answer
    x = 10,386,871.38

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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.