Home / 42,109,372.80-63,164,059.20-14,819,877.45

Finding the Fourth Proportional to 42,109,372.80, 63,164,059.20 and 14,819,877.45

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Solution

The fourth proportional to 42,109,372.80, 63,164,059.20 and 14,819,877.45 is: 22,229,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,109,372.80 : 63,164,059.20 = 14,819,877.45 : x
  2. Step 2: Convert to fraction form
    42,109,372.80/63,164,059.20 = 14,819,877.45/x
  3. Step 3: Cross multiply
    42,109,372.80x = 63,164,059.20 × 14,819,877.45
  4. Step 4: Simplify right side
    42,109,372.80x = 936,083,616,588,545
  5. Step 5: Solve for x
    x = 936,083,616,588,545/42,109,372.80
  6. Step 6: Final answer
    x = 22,229,816.18

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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.