Home / 25,487,468.70-38,168,217.45-16,921,427.10

Finding the Fourth Proportional to 25,487,468.70, 38,168,217.45 and 16,921,427.10

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Solution

The fourth proportional to 25,487,468.70, 38,168,217.45 and 16,921,427.10 is: 25,340,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,468.70 : 38,168,217.45 = 16,921,427.10 : x
  2. Step 2: Convert to fraction form
    25,487,468.70/38,168,217.45 = 16,921,427.10/x
  3. Step 3: Cross multiply
    25,487,468.70x = 38,168,217.45 × 16,921,427.10
  4. Step 4: Simplify right side
    25,487,468.70x = 645,860,709,117,123
  5. Step 5: Solve for x
    x = 645,860,709,117,123/25,487,468.70
  6. Step 6: Final answer
    x = 25,340,323.78

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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.