Home / 21,427,215.94-32,149,339.67-6,856,379.88

Finding the Fourth Proportional to 21,427,215.94, 32,149,339.67 and 6,856,379.88

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Solution

The fourth proportional to 21,427,215.94, 32,149,339.67 and 6,856,379.88 is: 10,287,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,427,215.94 : 32,149,339.67 = 6,856,379.88 : x
  2. Step 2: Convert to fraction form
    21,427,215.94/32,149,339.67 = 6,856,379.88/x
  3. Step 3: Cross multiply
    21,427,215.94x = 32,149,339.67 × 6,856,379.88
  4. Step 4: Simplify right side
    21,427,215.94x = 220,428,085,668,673.84
  5. Step 5: Solve for x
    x = 220,428,085,668,673.84/21,427,215.94
  6. Step 6: Final answer
    x = 10,287,294.73

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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.