Home / 20,543,998.60-30,815,997.90-14,572,030.60

Finding the Fourth Proportional to 20,543,998.60, 30,815,997.90 and 14,572,030.60

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Solution

The fourth proportional to 20,543,998.60, 30,815,997.90 and 14,572,030.60 is: 21,858,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543,998.60 : 30,815,997.90 = 14,572,030.60 : x
  2. Step 2: Convert to fraction form
    20,543,998.60/30,815,997.90 = 14,572,030.60/x
  3. Step 3: Cross multiply
    20,543,998.60x = 30,815,997.90 × 14,572,030.60
  4. Step 4: Simplify right side
    20,543,998.60x = 449,051,664,368,335.69
  5. Step 5: Solve for x
    x = 449,051,664,368,335.69/20,543,998.60
  6. Step 6: Final answer
    x = 21,858,045.90

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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.