Home / 12,471,332.88-17,211,891.42-10,374,471.12

Finding the Fourth Proportional to 12,471,332.88, 17,211,891.42 and 10,374,471.12

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Solution

The fourth proportional to 12,471,332.88, 17,211,891.42 and 10,374,471.12 is: 14,317,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,332.88 : 17,211,891.42 = 10,374,471.12 : x
  2. Step 2: Convert to fraction form
    12,471,332.88/17,211,891.42 = 10,374,471.12/x
  3. Step 3: Cross multiply
    12,471,332.88x = 17,211,891.42 × 10,374,471.12
  4. Step 4: Simplify right side
    12,471,332.88x = 178,564,270,457,365.78
  5. Step 5: Solve for x
    x = 178,564,270,457,365.78/12,471,332.88
  6. Step 6: Final answer
    x = 14,317,978.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.