Home / 15,576,517.12-23,326,621.44-12,864,248.32

Finding the Fourth Proportional to 15,576,517.12, 23,326,621.44 and 12,864,248.32

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Solution

The fourth proportional to 15,576,517.12, 23,326,621.44 and 12,864,248.32 is: 19,264,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576,517.12 : 23,326,621.44 = 12,864,248.32 : x
  2. Step 2: Convert to fraction form
    15,576,517.12/23,326,621.44 = 12,864,248.32/x
  3. Step 3: Cross multiply
    15,576,517.12x = 23,326,621.44 × 12,864,248.32
  4. Step 4: Simplify right side
    15,576,517.12x = 300,079,450,670,796
  5. Step 5: Solve for x
    x = 300,079,450,670,796/15,576,517.12
  6. Step 6: Final answer
    x = 19,264,861.87

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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.