Home / 8,079,885.90-11,147,329.25-6,219,870.18

Finding the Fourth Proportional to 8,079,885.90, 11,147,329.25 and 6,219,870.18

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Solution

The fourth proportional to 8,079,885.90, 11,147,329.25 and 6,219,870.18 is: 8,581,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079,885.90 : 11,147,329.25 = 6,219,870.18 : x
  2. Step 2: Convert to fraction form
    8,079,885.90/11,147,329.25 = 6,219,870.18/x
  3. Step 3: Cross multiply
    8,079,885.90x = 11,147,329.25 × 6,219,870.18
  4. Step 4: Simplify right side
    8,079,885.90x = 69,334,940,757,617.41
  5. Step 5: Solve for x
    x = 69,334,940,757,617.41/8,079,885.90
  6. Step 6: Final answer
    x = 8,581,178.20

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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.