Home / 28,145,445.32-38,820,692.04-25,829,815.70

Finding the Fourth Proportional to 28,145,445.32, 38,820,692.04 and 25,829,815.70

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Solution

The fourth proportional to 28,145,445.32, 38,820,692.04 and 25,829,815.70 is: 35,626,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,445.32 : 38,820,692.04 = 25,829,815.70 : x
  2. Step 2: Convert to fraction form
    28,145,445.32/38,820,692.04 = 25,829,815.70/x
  3. Step 3: Cross multiply
    28,145,445.32x = 38,820,692.04 × 25,829,815.70
  4. Step 4: Simplify right side
    28,145,445.32x = 1,002,731,320,545,553.50
  5. Step 5: Solve for x
    x = 1,002,731,320,545,553.50/28,145,445.32
  6. Step 6: Final answer
    x = 35,626,770.49

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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.