Home / 8,361,927.45-12,542,891.18-6,472,359.45

Finding the Fourth Proportional to 8,361,927.45, 12,542,891.18 and 6,472,359.45

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Solution

The fourth proportional to 8,361,927.45, 12,542,891.18 and 6,472,359.45 is: 9,708,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,927.45 : 12,542,891.18 = 6,472,359.45 : x
  2. Step 2: Convert to fraction form
    8,361,927.45/12,542,891.18 = 6,472,359.45/x
  3. Step 3: Cross multiply
    8,361,927.45x = 12,542,891.18 × 6,472,359.45
  4. Step 4: Simplify right side
    8,361,927.45x = 81,182,100,226,832.86
  5. Step 5: Solve for x
    x = 81,182,100,226,832.86/8,361,927.45
  6. Step 6: Final answer
    x = 9,708,539.18

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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.