Home / 18,681,957.71-28,022,769.81-5,902,461.96

Finding the Fourth Proportional to 18,681,957.71, 28,022,769.81 and 5,902,461.96

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Solution

The fourth proportional to 18,681,957.71, 28,022,769.81 and 5,902,461.96 is: 8,853,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,957.71 : 28,022,769.81 = 5,902,461.96 : x
  2. Step 2: Convert to fraction form
    18,681,957.71/28,022,769.81 = 5,902,461.96/x
  3. Step 3: Cross multiply
    18,681,957.71x = 28,022,769.81 × 5,902,461.96
  4. Step 4: Simplify right side
    18,681,957.71x = 165,403,332,817,361.41
  5. Step 5: Solve for x
    x = 165,403,332,817,361.41/18,681,957.71
  6. Step 6: Final answer
    x = 8,853,640.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.