Home / 30,438,640.26-42,007,967.28-16,690,261.59

Finding the Fourth Proportional to 30,438,640.26, 42,007,967.28 and 16,690,261.59

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Solution

The fourth proportional to 30,438,640.26, 42,007,967.28 and 16,690,261.59 is: 23,034,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,438,640.26 : 42,007,967.28 = 16,690,261.59 : x
  2. Step 2: Convert to fraction form
    30,438,640.26/42,007,967.28 = 16,690,261.59/x
  3. Step 3: Cross multiply
    30,438,640.26x = 42,007,967.28 × 16,690,261.59
  4. Step 4: Simplify right side
    30,438,640.26x = 701,123,962,767,360.75
  5. Step 5: Solve for x
    x = 701,123,962,767,360.75/30,438,640.26
  6. Step 6: Final answer
    x = 23,034,010.61

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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.