Home / 15,367,491.92-21,208,415.88-8,493,315.92

Finding the Fourth Proportional to 15,367,491.92, 21,208,415.88 and 8,493,315.92

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Solution

The fourth proportional to 15,367,491.92, 21,208,415.88 and 8,493,315.92 is: 11,721,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,491.92 : 21,208,415.88 = 8,493,315.92 : x
  2. Step 2: Convert to fraction form
    15,367,491.92/21,208,415.88 = 8,493,315.92/x
  3. Step 3: Cross multiply
    15,367,491.92x = 21,208,415.88 × 8,493,315.92
  4. Step 4: Simplify right side
    15,367,491.92x = 180,129,776,231,584.81
  5. Step 5: Solve for x
    x = 180,129,776,231,584.81/15,367,491.92
  6. Step 6: Final answer
    x = 11,721,481.76

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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.