Home / 30,752,152.92-42,438,856.77-17,002,002.78

Finding the Fourth Proportional to 30,752,152.92, 42,438,856.77 and 17,002,002.78

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Solution

The fourth proportional to 30,752,152.92, 42,438,856.77 and 17,002,002.78 is: 23,463,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,152.92 : 42,438,856.77 = 17,002,002.78 : x
  2. Step 2: Convert to fraction form
    30,752,152.92/42,438,856.77 = 17,002,002.78/x
  3. Step 3: Cross multiply
    30,752,152.92x = 42,438,856.77 × 17,002,002.78
  4. Step 4: Simplify right side
    30,752,152.92x = 721,545,560,783,561.88
  5. Step 5: Solve for x
    x = 721,545,560,783,561.88/30,752,152.92
  6. Step 6: Final answer
    x = 23,463,253.54

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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.