Home / 21,532,810.60-29,715,942.18-12,367,291.24

Finding the Fourth Proportional to 21,532,810.60, 29,715,942.18 and 12,367,291.24

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Solution

The fourth proportional to 21,532,810.60, 29,715,942.18 and 12,367,291.24 is: 17,067,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532,810.60 : 29,715,942.18 = 12,367,291.24 : x
  2. Step 2: Convert to fraction form
    21,532,810.60/29,715,942.18 = 12,367,291.24/x
  3. Step 3: Cross multiply
    21,532,810.60x = 29,715,942.18 × 12,367,291.24
  4. Step 4: Simplify right side
    21,532,810.60x = 367,505,711,411,060.50
  5. Step 5: Solve for x
    x = 367,505,711,411,060.50/21,532,810.60
  6. Step 6: Final answer
    x = 17,067,243.02

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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.