Home / 25,905,123.20-38,857,684.80-9,949,155.20

Finding the Fourth Proportional to 25,905,123.20, 38,857,684.80 and 9,949,155.20

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Solution

The fourth proportional to 25,905,123.20, 38,857,684.80 and 9,949,155.20 is: 14,923,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905,123.20 : 38,857,684.80 = 9,949,155.20 : x
  2. Step 2: Convert to fraction form
    25,905,123.20/38,857,684.80 = 9,949,155.20/x
  3. Step 3: Cross multiply
    25,905,123.20x = 38,857,684.80 × 9,949,155.20
  4. Step 4: Simplify right side
    25,905,123.20x = 386,601,136,787,880.88
  5. Step 5: Solve for x
    x = 386,601,136,787,880.88/25,905,123.20
  6. Step 6: Final answer
    x = 14,923,732.80

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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.