Home / 12,253,807.80-18,378,743.40-3,732,162.30

Finding the Fourth Proportional to 12,253,807.80, 18,378,743.40 and 3,732,162.30

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Solution

The fourth proportional to 12,253,807.80, 18,378,743.40 and 3,732,162.30 is: 5,597,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,807.80 : 18,378,743.40 = 3,732,162.30 : x
  2. Step 2: Convert to fraction form
    12,253,807.80/18,378,743.40 = 3,732,162.30/x
  3. Step 3: Cross multiply
    12,253,807.80x = 18,378,743.40 × 3,732,162.30
  4. Step 4: Simplify right side
    12,253,807.80x = 68,592,453,238,853.81
  5. Step 5: Solve for x
    x = 68,592,453,238,853.81/12,253,807.80
  6. Step 6: Final answer
    x = 5,597,643.96

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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.