Home / 15,268,807.56-21,070,976.94-8,393,331.54

Finding the Fourth Proportional to 15,268,807.56, 21,070,976.94 and 8,393,331.54

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Solution

The fourth proportional to 15,268,807.56, 21,070,976.94 and 8,393,331.54 is: 11,582,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,807.56 : 21,070,976.94 = 8,393,331.54 : x
  2. Step 2: Convert to fraction form
    15,268,807.56/21,070,976.94 = 8,393,331.54/x
  3. Step 3: Cross multiply
    15,268,807.56x = 21,070,976.94 × 8,393,331.54
  4. Step 4: Simplify right side
    15,268,807.56x = 176,855,695,329,114.69
  5. Step 5: Solve for x
    x = 176,855,695,329,114.69/15,268,807.56
  6. Step 6: Final answer
    x = 11,582,809.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.