Home / 11,890,306.64-17,812,240.68-5,649,527.76

Finding the Fourth Proportional to 11,890,306.64, 17,812,240.68 and 5,649,527.76

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Solution

The fourth proportional to 11,890,306.64, 17,812,240.68 and 5,649,527.76 is: 8,463,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,306.64 : 17,812,240.68 = 5,649,527.76 : x
  2. Step 2: Convert to fraction form
    11,890,306.64/17,812,240.68 = 5,649,527.76/x
  3. Step 3: Cross multiply
    11,890,306.64x = 17,812,240.68 × 5,649,527.76
  4. Step 4: Simplify right side
    11,890,306.64x = 100,630,748,189,461.27
  5. Step 5: Solve for x
    x = 100,630,748,189,461.27/11,890,306.64
  6. Step 6: Final answer
    x = 8,463,259.29

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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.