Home / 30,812,146.74-42,520,242.87-17,060,815.62

Finding the Fourth Proportional to 30,812,146.74, 42,520,242.87 and 17,060,815.62

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Solution

The fourth proportional to 30,812,146.74, 42,520,242.87 and 17,060,815.62 is: 23,543,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,146.74 : 42,520,242.87 = 17,060,815.62 : x
  2. Step 2: Convert to fraction form
    30,812,146.74/42,520,242.87 = 17,060,815.62/x
  3. Step 3: Cross multiply
    30,812,146.74x = 42,520,242.87 × 17,060,815.62
  4. Step 4: Simplify right side
    30,812,146.74x = 725,430,023,722,689.62
  5. Step 5: Solve for x
    x = 725,430,023,722,689.62/30,812,146.74
  6. Step 6: Final answer
    x = 23,543,637.83

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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.