Home / 20,484,531.47-28,268,323.49-11,191,901.95

Finding the Fourth Proportional to 20,484,531.47, 28,268,323.49 and 11,191,901.95

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Solution

The fourth proportional to 20,484,531.47, 28,268,323.49 and 11,191,901.95 is: 15,444,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,531.47 : 28,268,323.49 = 11,191,901.95 : x
  2. Step 2: Convert to fraction form
    20,484,531.47/28,268,323.49 = 11,191,901.95/x
  3. Step 3: Cross multiply
    20,484,531.47x = 28,268,323.49 × 11,191,901.95
  4. Step 4: Simplify right side
    20,484,531.47x = 316,376,304,762,982.06
  5. Step 5: Solve for x
    x = 316,376,304,762,982.06/20,484,531.47
  6. Step 6: Final answer
    x = 15,444,644.42

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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.