Home / 12,171,379.32-18,260,482.17-4,889,952.18

Finding the Fourth Proportional to 12,171,379.32, 18,260,482.17 and 4,889,952.18

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Solution

The fourth proportional to 12,171,379.32, 18,260,482.17 and 4,889,952.18 is: 7,336,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,379.32 : 18,260,482.17 = 4,889,952.18 : x
  2. Step 2: Convert to fraction form
    12,171,379.32/18,260,482.17 = 4,889,952.18/x
  3. Step 3: Cross multiply
    12,171,379.32x = 18,260,482.17 × 4,889,952.18
  4. Step 4: Simplify right side
    12,171,379.32x = 89,292,884,613,379.94
  5. Step 5: Solve for x
    x = 89,292,884,613,379.94/12,171,379.32
  6. Step 6: Final answer
    x = 7,336,299.55

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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.