Home / 21,949,474.60-32,924,211.90-13,887,317.80

Finding the Fourth Proportional to 21,949,474.60, 32,924,211.90 and 13,887,317.80

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Solution

The fourth proportional to 21,949,474.60, 32,924,211.90 and 13,887,317.80 is: 20,830,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949,474.60 : 32,924,211.90 = 13,887,317.80 : x
  2. Step 2: Convert to fraction form
    21,949,474.60/32,924,211.90 = 13,887,317.80/x
  3. Step 3: Cross multiply
    21,949,474.60x = 32,924,211.90 × 13,887,317.80
  4. Step 4: Simplify right side
    21,949,474.60x = 457,228,993,969,841.81
  5. Step 5: Solve for x
    x = 457,228,993,969,841.81/21,949,474.60
  6. Step 6: Final answer
    x = 20,830,976.70

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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.