Home / 12,467,979.95-18,711,226.35-9,439,159.91

Finding the Fourth Proportional to 12,467,979.95, 18,711,226.35 and 9,439,159.91

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Solution

The fourth proportional to 12,467,979.95, 18,711,226.35 and 9,439,159.91 is: 14,165,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,979.95 : 18,711,226.35 = 9,439,159.91 : x
  2. Step 2: Convert to fraction form
    12,467,979.95/18,711,226.35 = 9,439,159.91/x
  3. Step 3: Cross multiply
    12,467,979.95x = 18,711,226.35 × 9,439,159.91
  4. Step 4: Simplify right side
    12,467,979.95x = 176,618,257,536,299.50
  5. Step 5: Solve for x
    x = 176,618,257,536,299.50/12,467,979.95
  6. Step 6: Final answer
    x = 14,165,747.64

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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.