Home / 15,048,836.25-20,767,500.31-8,173,318.32

Finding the Fourth Proportional to 15,048,836.25, 20,767,500.31 and 8,173,318.32

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Solution

The fourth proportional to 15,048,836.25, 20,767,500.31 and 8,173,318.32 is: 11,279,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,836.25 : 20,767,500.31 = 8,173,318.32 : x
  2. Step 2: Convert to fraction form
    15,048,836.25/20,767,500.31 = 8,173,318.32/x
  3. Step 3: Cross multiply
    15,048,836.25x = 20,767,500.31 × 8,173,318.32
  4. Step 4: Simplify right side
    15,048,836.25x = 169,739,390,620,057.91
  5. Step 5: Solve for x
    x = 169,739,390,620,057.91/15,048,836.25
  6. Step 6: Final answer
    x = 11,279,237.00

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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.