Home / 20,238,102.60-30,346,656.30-7,452,025.80

Finding the Fourth Proportional to 20,238,102.60, 30,346,656.30 and 7,452,025.80

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Solution

The fourth proportional to 20,238,102.60, 30,346,656.30 and 7,452,025.80 is: 11,174,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,102.60 : 30,346,656.30 = 7,452,025.80 : x
  2. Step 2: Convert to fraction form
    20,238,102.60/30,346,656.30 = 7,452,025.80/x
  3. Step 3: Cross multiply
    20,238,102.60x = 30,346,656.30 × 7,452,025.80
  4. Step 4: Simplify right side
    20,238,102.60x = 226,144,065,691,332.53
  5. Step 5: Solve for x
    x = 226,144,065,691,332.53/20,238,102.60
  6. Step 6: Final answer
    x = 11,174,173.30

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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.