Home / 30,588,411.38-42,213,121.52-16,649,092.76

Finding the Fourth Proportional to 30,588,411.38, 42,213,121.52 and 16,649,092.76

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Solution

The fourth proportional to 30,588,411.38, 42,213,121.52 and 16,649,092.76 is: 22,976,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,411.38 : 42,213,121.52 = 16,649,092.76 : x
  2. Step 2: Convert to fraction form
    30,588,411.38/42,213,121.52 = 16,649,092.76/x
  3. Step 3: Cross multiply
    30,588,411.38x = 42,213,121.52 × 16,649,092.76
  4. Step 4: Simplify right side
    30,588,411.38x = 702,810,175,581,321.12
  5. Step 5: Solve for x
    x = 702,810,175,581,321.12/30,588,411.38
  6. Step 6: Final answer
    x = 22,976,354.25

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1.5x scale

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.