Home / 28,023,875.60-42,043,686.60-13,647,412.40

Finding the Fourth Proportional to 28,023,875.60, 42,043,686.60 and 13,647,412.40

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Solution

The fourth proportional to 28,023,875.60, 42,043,686.60 and 13,647,412.40 is: 20,474,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,875.60 : 42,043,686.60 = 13,647,412.40 : x
  2. Step 2: Convert to fraction form
    28,023,875.60/42,043,686.60 = 13,647,412.40/x
  3. Step 3: Cross multiply
    28,023,875.60x = 42,043,686.60 × 13,647,412.40
  4. Step 4: Simplify right side
    28,023,875.60x = 573,787,529,846,553.88
  5. Step 5: Solve for x
    x = 573,787,529,846,553.88/28,023,875.60
  6. Step 6: Final answer
    x = 20,474,952.79

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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.