Home / 12,405,631.52-18,608,453.76-4,727,486

Finding the Fourth Proportional to 12,405,631.52, 18,608,453.76 and 4,727,486

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Solution

The fourth proportional to 12,405,631.52, 18,608,453.76 and 4,727,486 is: 7,091,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,631.52 : 18,608,453.76 = 4,727,486 : x
  2. Step 2: Convert to fraction form
    12,405,631.52/18,608,453.76 = 4,727,486/x
  3. Step 3: Cross multiply
    12,405,631.52x = 18,608,453.76 × 4,727,486
  4. Step 4: Simplify right side
    12,405,631.52x = 87,971,204,632,047.38
  5. Step 5: Solve for x
    x = 87,971,204,632,047.38/12,405,631.52
  6. Step 6: Final answer
    x = 7,091,231.47

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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.