Home / 11,989,447.69-17,981,459.19-5,506,290.31

Finding the Fourth Proportional to 11,989,447.69, 17,981,459.19 and 5,506,290.31

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Solution

The fourth proportional to 11,989,447.69, 17,981,459.19 and 5,506,290.31 is: 8,258,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,447.69 : 17,981,459.19 = 5,506,290.31 : x
  2. Step 2: Convert to fraction form
    11,989,447.69/17,981,459.19 = 5,506,290.31/x
  3. Step 3: Cross multiply
    11,989,447.69x = 17,981,459.19 × 5,506,290.31
  4. Step 4: Simplify right side
    11,989,447.69x = 99,011,134,470,025.98
  5. Step 5: Solve for x
    x = 99,011,134,470,025.98/11,989,447.69
  6. Step 6: Final answer
    x = 8,258,189.79

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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.