Home / 20,659,459.01-31,008,604.04-10,818,585.81

Finding the Fourth Proportional to 20,659,459.01, 31,008,604.04 and 10,818,585.81

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Solution

The fourth proportional to 20,659,459.01, 31,008,604.04 and 10,818,585.81 is: 16,238,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,459.01 : 31,008,604.04 = 10,818,585.81 : x
  2. Step 2: Convert to fraction form
    20,659,459.01/31,008,604.04 = 10,818,585.81/x
  3. Step 3: Cross multiply
    20,659,459.01x = 31,008,604.04 × 10,818,585.81
  4. Step 4: Simplify right side
    20,659,459.01x = 335,469,243,600,959.75
  5. Step 5: Solve for x
    x = 335,469,243,600,959.75/20,659,459.01
  6. Step 6: Final answer
    x = 16,238,045.90

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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.