Home / 17,143,584.64-25,715,376.96-8,140,842.88

Finding the Fourth Proportional to 17,143,584.64, 25,715,376.96 and 8,140,842.88

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Solution

The fourth proportional to 17,143,584.64, 25,715,376.96 and 8,140,842.88 is: 12,211,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143,584.64 : 25,715,376.96 = 8,140,842.88 : x
  2. Step 2: Convert to fraction form
    17,143,584.64/25,715,376.96 = 8,140,842.88/x
  3. Step 3: Cross multiply
    17,143,584.64x = 25,715,376.96 × 8,140,842.88
  4. Step 4: Simplify right side
    17,143,584.64x = 209,344,843,431,332.06
  5. Step 5: Solve for x
    x = 209,344,843,431,332.06/17,143,584.64
  6. Step 6: Final answer
    x = 12,211,264.32

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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.