Home / 31,872,079.80-47,808,119.70-25,494,787.80

Finding the Fourth Proportional to 31,872,079.80, 47,808,119.70 and 25,494,787.80

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Solution

The fourth proportional to 31,872,079.80, 47,808,119.70 and 25,494,787.80 is: 38,242,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,079.80 : 47,808,119.70 = 25,494,787.80 : x
  2. Step 2: Convert to fraction form
    31,872,079.80/47,808,119.70 = 25,494,787.80/x
  3. Step 3: Cross multiply
    31,872,079.80x = 47,808,119.70 × 25,494,787.80
  4. Step 4: Simplify right side
    31,872,079.80x = 1,218,857,866,868,499.75
  5. Step 5: Solve for x
    x = 1,218,857,866,868,499.75/31,872,079.80
  6. Step 6: Final answer
    x = 38,242,181.70

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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.