Home / 20,704,492.20-31,056,446.70-9,344,922.60

Finding the Fourth Proportional to 20,704,492.20, 31,056,446.70 and 9,344,922.60

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Solution

The fourth proportional to 20,704,492.20, 31,056,446.70 and 9,344,922.60 is: 14,017,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,492.20 : 31,056,446.70 = 9,344,922.60 : x
  2. Step 2: Convert to fraction form
    20,704,492.20/31,056,446.70 = 9,344,922.60/x
  3. Step 3: Cross multiply
    20,704,492.20x = 31,056,446.70 × 9,344,922.60
  4. Step 4: Simplify right side
    20,704,492.20x = 290,220,090,642,525.38
  5. Step 5: Solve for x
    x = 290,220,090,642,525.38/20,704,492.20
  6. Step 6: Final answer
    x = 14,017,252.29

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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.