Home / 20,811,284.70-31,227,690.84-15,101,096.50

Finding the Fourth Proportional to 20,811,284.70, 31,227,690.84 and 15,101,096.50

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Solution

The fourth proportional to 20,811,284.70, 31,227,690.84 and 15,101,096.50 is: 22,659,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,284.70 : 31,227,690.84 = 15,101,096.50 : x
  2. Step 2: Convert to fraction form
    20,811,284.70/31,227,690.84 = 15,101,096.50/x
  3. Step 3: Cross multiply
    20,811,284.70x = 31,227,690.84 × 15,101,096.50
  4. Step 4: Simplify right side
    20,811,284.70x = 471,572,372,847,006.06
  5. Step 5: Solve for x
    x = 471,572,372,847,006.06/20,811,284.70
  6. Step 6: Final answer
    x = 22,659,455.18

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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.