Home / 40,117,084.92-55,360,025.10-21,781,950.84

Finding the Fourth Proportional to 40,117,084.92, 55,360,025.10 and 21,781,950.84

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Solution

The fourth proportional to 40,117,084.92, 55,360,025.10 and 21,781,950.84 is: 30,058,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117,084.92 : 55,360,025.10 = 21,781,950.84 : x
  2. Step 2: Convert to fraction form
    40,117,084.92/55,360,025.10 = 21,781,950.84/x
  3. Step 3: Cross multiply
    40,117,084.92x = 55,360,025.10 × 21,781,950.84
  4. Step 4: Simplify right side
    40,117,084.92x = 1,205,849,345,229,366
  5. Step 5: Solve for x
    x = 1,205,849,345,229,366/40,117,084.92
  6. Step 6: Final answer
    x = 30,058,249.44

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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.