Home / 22,846,142.53-31,527,520.39-12,392,116.78

Finding the Fourth Proportional to 22,846,142.53, 31,527,520.39 and 12,392,116.78

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Solution

The fourth proportional to 22,846,142.53, 31,527,520.39 and 12,392,116.78 is: 17,101,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,846,142.53 : 31,527,520.39 = 12,392,116.78 : x
  2. Step 2: Convert to fraction form
    22,846,142.53/31,527,520.39 = 12,392,116.78/x
  3. Step 3: Cross multiply
    22,846,142.53x = 31,527,520.39 × 12,392,116.78
  4. Step 4: Simplify right side
    22,846,142.53x = 390,692,714,456,711.12
  5. Step 5: Solve for x
    x = 390,692,714,456,711.12/22,846,142.53
  6. Step 6: Final answer
    x = 17,101,036.38

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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.