Home / 20,722,748.60-31,084,122.90-16,187,785.40

Finding the Fourth Proportional to 20,722,748.60, 31,084,122.90 and 16,187,785.40

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Solution

The fourth proportional to 20,722,748.60, 31,084,122.90 and 16,187,785.40 is: 24,281,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,748.60 : 31,084,122.90 = 16,187,785.40 : x
  2. Step 2: Convert to fraction form
    20,722,748.60/31,084,122.90 = 16,187,785.40/x
  3. Step 3: Cross multiply
    20,722,748.60x = 31,084,122.90 × 16,187,785.40
  4. Step 4: Simplify right side
    20,722,748.60x = 503,183,110,852,425.62
  5. Step 5: Solve for x
    x = 503,183,110,852,425.62/20,722,748.60
  6. Step 6: Final answer
    x = 24,281,678.10

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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.