Home / 8,177,077.20-12,241,996.20-7,940,881.20

Finding the Fourth Proportional to 8,177,077.20, 12,241,996.20 and 7,940,881.20

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Solution

The fourth proportional to 8,177,077.20, 12,241,996.20 and 7,940,881.20 is: 11,888,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,077.20 : 12,241,996.20 = 7,940,881.20 : x
  2. Step 2: Convert to fraction form
    8,177,077.20/12,241,996.20 = 7,940,881.20/x
  3. Step 3: Cross multiply
    8,177,077.20x = 12,241,996.20 × 7,940,881.20
  4. Step 4: Simplify right side
    8,177,077.20x = 97,212,237,475,051.44
  5. Step 5: Solve for x
    x = 97,212,237,475,051.44/8,177,077.20
  6. Step 6: Final answer
    x = 11,888,384.46

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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.