Home / 8,728,557.18-12,045,782.56-4,861,078.34

Finding the Fourth Proportional to 8,728,557.18, 12,045,782.56 and 4,861,078.34

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Solution

The fourth proportional to 8,728,557.18, 12,045,782.56 and 4,861,078.34 is: 6,708,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,557.18 : 12,045,782.56 = 4,861,078.34 : x
  2. Step 2: Convert to fraction form
    8,728,557.18/12,045,782.56 = 4,861,078.34/x
  3. Step 3: Cross multiply
    8,728,557.18x = 12,045,782.56 × 4,861,078.34
  4. Step 4: Simplify right side
    8,728,557.18x = 58,555,492,690,765.75
  5. Step 5: Solve for x
    x = 58,555,492,690,765.75/8,728,557.18
  6. Step 6: Final answer
    x = 6,708,496.20

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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.