Home / 14,487,520.20-21,731,280.30-9,385,686.60

Finding the Fourth Proportional to 14,487,520.20, 21,731,280.30 and 9,385,686.60

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Solution

The fourth proportional to 14,487,520.20, 21,731,280.30 and 9,385,686.60 is: 14,078,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,520.20 : 21,731,280.30 = 9,385,686.60 : x
  2. Step 2: Convert to fraction form
    14,487,520.20/21,731,280.30 = 9,385,686.60/x
  3. Step 3: Cross multiply
    14,487,520.20x = 21,731,280.30 × 9,385,686.60
  4. Step 4: Simplify right side
    14,487,520.20x = 203,962,986,312,553.97
  5. Step 5: Solve for x
    x = 203,962,986,312,553.97/14,487,520.20
  6. Step 6: Final answer
    x = 14,078,529.90

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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.