Home / 42,593,906.40-63,890,859.60-15,664,063.20

Finding the Fourth Proportional to 42,593,906.40, 63,890,859.60 and 15,664,063.20

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Solution

The fourth proportional to 42,593,906.40, 63,890,859.60 and 15,664,063.20 is: 23,496,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593,906.40 : 63,890,859.60 = 15,664,063.20 : x
  2. Step 2: Convert to fraction form
    42,593,906.40/63,890,859.60 = 15,664,063.20/x
  3. Step 3: Cross multiply
    42,593,906.40x = 63,890,859.60 × 15,664,063.20
  4. Step 4: Simplify right side
    42,593,906.40x = 1,000,790,462,676,726.75
  5. Step 5: Solve for x
    x = 1,000,790,462,676,726.75/42,593,906.40
  6. Step 6: Final answer
    x = 23,496,094.80

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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.