Home / 8,185,194.45-12,240,938.41-7,279,699.96

Finding the Fourth Proportional to 8,185,194.45, 12,240,938.41 and 7,279,699.96

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Solution

The fourth proportional to 8,185,194.45, 12,240,938.41 and 7,279,699.96 is: 10,886,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,194.45 : 12,240,938.41 = 7,279,699.96 : x
  2. Step 2: Convert to fraction form
    8,185,194.45/12,240,938.41 = 7,279,699.96/x
  3. Step 3: Cross multiply
    8,185,194.45x = 12,240,938.41 × 7,279,699.96
  4. Step 4: Simplify right side
    8,185,194.45x = 89,110,358,853,639.47
  5. Step 5: Solve for x
    x = 89,110,358,853,639.47/8,185,194.45
  6. Step 6: Final answer
    x = 10,886,773.60

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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.