Home / 30,812,294.24-42,520,446.42-17,060,963.12

Finding the Fourth Proportional to 30,812,294.24, 42,520,446.42 and 17,060,963.12

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Solution

The fourth proportional to 30,812,294.24, 42,520,446.42 and 17,060,963.12 is: 23,543,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,294.24 : 42,520,446.42 = 17,060,963.12 : x
  2. Step 2: Convert to fraction form
    30,812,294.24/42,520,446.42 = 17,060,963.12/x
  3. Step 3: Cross multiply
    30,812,294.24x = 42,520,446.42 × 17,060,963.12
  4. Step 4: Simplify right side
    30,812,294.24x = 725,439,768,217,556.12
  5. Step 5: Solve for x
    x = 725,439,768,217,556.12/30,812,294.24
  6. Step 6: Final answer
    x = 23,543,841.38

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Double scale
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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.