Home / 12,423,323.76-18,634,979.88-3,447,872.88

Finding the Fourth Proportional to 12,423,323.76, 18,634,979.88 and 3,447,872.88

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Solution

The fourth proportional to 12,423,323.76, 18,634,979.88 and 3,447,872.88 is: 5,171,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,323.76 : 18,634,979.88 = 3,447,872.88 : x
  2. Step 2: Convert to fraction form
    12,423,323.76/18,634,979.88 = 3,447,872.88/x
  3. Step 3: Cross multiply
    12,423,323.76x = 18,634,979.88 × 3,447,872.88
  4. Step 4: Simplify right side
    12,423,323.76x = 64,251,041,747,597.65
  5. Step 5: Solve for x
    x = 64,251,041,747,597.65/12,423,323.76
  6. Step 6: Final answer
    x = 5,171,807.72

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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.