Home / 8,185,193.45-12,240,936.91-7,279,698.96

Finding the Fourth Proportional to 8,185,193.45, 12,240,936.91 and 7,279,698.96

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Solution

The fourth proportional to 8,185,193.45, 12,240,936.91 and 7,279,698.96 is: 10,886,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,193.45 : 12,240,936.91 = 7,279,698.96 : x
  2. Step 2: Convert to fraction form
    8,185,193.45/12,240,936.91 = 7,279,698.96/x
  3. Step 3: Cross multiply
    8,185,193.45x = 12,240,936.91 × 7,279,698.96
  4. Step 4: Simplify right side
    8,185,193.45x = 89,110,335,693,152.61
  5. Step 5: Solve for x
    x = 89,110,335,693,152.61/8,185,193.45
  6. Step 6: Final answer
    x = 10,886,772.10

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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.