Home / 25,124,815.70-37,687,223.55-21,015,005.30

Finding the Fourth Proportional to 25,124,815.70, 37,687,223.55 and 21,015,005.30

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Solution

The fourth proportional to 25,124,815.70, 37,687,223.55 and 21,015,005.30 is: 31,522,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124,815.70 : 37,687,223.55 = 21,015,005.30 : x
  2. Step 2: Convert to fraction form
    25,124,815.70/37,687,223.55 = 21,015,005.30/x
  3. Step 3: Cross multiply
    25,124,815.70x = 37,687,223.55 × 21,015,005.30
  4. Step 4: Simplify right side
    25,124,815.70x = 791,997,202,645,534.75
  5. Step 5: Solve for x
    x = 791,997,202,645,534.75/25,124,815.70
  6. Step 6: Final answer
    x = 31,522,507.95

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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.