Home / 25,881,905.46-35,712,639.90-15,427,734.42

Finding the Fourth Proportional to 25,881,905.46, 35,712,639.90 and 15,427,734.42

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Solution

The fourth proportional to 25,881,905.46, 35,712,639.90 and 15,427,734.42 is: 21,287,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881,905.46 : 35,712,639.90 = 15,427,734.42 : x
  2. Step 2: Convert to fraction form
    25,881,905.46/35,712,639.90 = 15,427,734.42/x
  3. Step 3: Cross multiply
    25,881,905.46x = 35,712,639.90 × 15,427,734.42
  4. Step 4: Simplify right side
    25,881,905.46x = 550,965,123,814,295.31
  5. Step 5: Solve for x
    x = 550,965,123,814,295.31/25,881,905.46
  6. Step 6: Final answer
    x = 21,287,656.92

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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.