Home / 20,801,848.80-31,202,773.20-15,763,000.80

Finding the Fourth Proportional to 20,801,848.80, 31,202,773.20 and 15,763,000.80

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Solution

The fourth proportional to 20,801,848.80, 31,202,773.20 and 15,763,000.80 is: 23,644,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,848.80 : 31,202,773.20 = 15,763,000.80 : x
  2. Step 2: Convert to fraction form
    20,801,848.80/31,202,773.20 = 15,763,000.80/x
  3. Step 3: Cross multiply
    20,801,848.80x = 31,202,773.20 × 15,763,000.80
  4. Step 4: Simplify right side
    20,801,848.80x = 491,849,338,913,818.56
  5. Step 5: Solve for x
    x = 491,849,338,913,818.56/20,801,848.80
  6. Step 6: Final answer
    x = 23,644,501.20

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1.5x scale

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.