Home / 30,812,123.25-42,520,210.34-17,060,792.13

Finding the Fourth Proportional to 30,812,123.25, 42,520,210.34 and 17,060,792.13

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Solution

The fourth proportional to 30,812,123.25, 42,520,210.34 and 17,060,792.13 is: 23,543,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,123.25 : 42,520,210.34 = 17,060,792.13 : x
  2. Step 2: Convert to fraction form
    30,812,123.25/42,520,210.34 = 17,060,792.13/x
  3. Step 3: Cross multiply
    30,812,123.25x = 42,520,210.34 × 17,060,792.13
  4. Step 4: Simplify right side
    30,812,123.25x = 725,428,469,849,312.62
  5. Step 5: Solve for x
    x = 725,428,469,849,312.62/30,812,123.25
  6. Step 6: Final answer
    x = 23,543,605.35

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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.