Home / 15,718,833.16-21,691,986.42-8,749,360.42

Finding the Fourth Proportional to 15,718,833.16, 21,691,986.42 and 8,749,360.42

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Solution

The fourth proportional to 15,718,833.16, 21,691,986.42 and 8,749,360.42 is: 12,074,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,833.16 : 21,691,986.42 = 8,749,360.42 : x
  2. Step 2: Convert to fraction form
    15,718,833.16/21,691,986.42 = 8,749,360.42/x
  3. Step 3: Cross multiply
    15,718,833.16x = 21,691,986.42 × 8,749,360.42
  4. Step 4: Simplify right side
    15,718,833.16x = 189,791,007,414,325.50
  5. Step 5: Solve for x
    x = 189,791,007,414,325.50/15,718,833.16
  6. Step 6: Final answer
    x = 12,074,115.52

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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.