Home / 30,555,640.18-42,156,453-17,323,397.56

Finding the Fourth Proportional to 30,555,640.18, 42,156,453 and 17,323,397.56

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Solution

The fourth proportional to 30,555,640.18, 42,156,453 and 17,323,397.56 is: 23,900,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555,640.18 : 42,156,453 = 17,323,397.56 : x
  2. Step 2: Convert to fraction form
    30,555,640.18/42,156,453 = 17,323,397.56/x
  3. Step 3: Cross multiply
    30,555,640.18x = 42,156,453 × 17,323,397.56
  4. Step 4: Simplify right side
    30,555,640.18x = 730,292,995,038,454.62
  5. Step 5: Solve for x
    x = 730,292,995,038,454.62/30,555,640.18
  6. Step 6: Final answer
    x = 23,900,431.83

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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.