Home / 47,445,359.56-71,171,162.06-12,431,331.23

Finding the Fourth Proportional to 47,445,359.56, 71,171,162.06 and 12,431,331.23

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Solution

The fourth proportional to 47,445,359.56, 71,171,162.06 and 12,431,331.23 is: 18,647,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445,359.56 : 71,171,162.06 = 12,431,331.23 : x
  2. Step 2: Convert to fraction form
    47,445,359.56/71,171,162.06 = 12,431,331.23/x
  3. Step 3: Cross multiply
    47,445,359.56x = 71,171,162.06 × 12,431,331.23
  4. Step 4: Simplify right side
    47,445,359.56x = 884,752,289,740,127.25
  5. Step 5: Solve for x
    x = 884,752,289,740,127.25/47,445,359.56
  6. Step 6: Final answer
    x = 18,647,815.05

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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.