Home / 18,005,439.08-27,008,118.59-13,912,711.35

Finding the Fourth Proportional to 18,005,439.08, 27,008,118.59 and 13,912,711.35

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Solution

The fourth proportional to 18,005,439.08, 27,008,118.59 and 13,912,711.35 is: 20,869,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005,439.08 : 27,008,118.59 = 13,912,711.35 : x
  2. Step 2: Convert to fraction form
    18,005,439.08/27,008,118.59 = 13,912,711.35/x
  3. Step 3: Cross multiply
    18,005,439.08x = 27,008,118.59 × 13,912,711.35
  4. Step 4: Simplify right side
    18,005,439.08x = 375,756,157,979,675.44
  5. Step 5: Solve for x
    x = 375,756,157,979,675.44/18,005,439.08
  6. Step 6: Final answer
    x = 20,869,036.10

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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.