Home / 31,644,084.20-47,340,155.10-27,431,047.40

Finding the Fourth Proportional to 31,644,084.20, 47,340,155.10 and 27,431,047.40

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Solution

The fourth proportional to 31,644,084.20, 47,340,155.10 and 27,431,047.40 is: 41,037,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644,084.20 : 47,340,155.10 = 27,431,047.40 : x
  2. Step 2: Convert to fraction form
    31,644,084.20/47,340,155.10 = 27,431,047.40/x
  3. Step 3: Cross multiply
    31,644,084.20x = 47,340,155.10 × 27,431,047.40
  4. Step 4: Simplify right side
    31,644,084.20x = 1,298,590,038,471,451.75
  5. Step 5: Solve for x
    x = 1,298,590,038,471,451.75/31,644,084.20
  6. Step 6: Final answer
    x = 41,037,371.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.