Home / 12,155,576.24-16,758,279.60-7,797,096.56

Finding the Fourth Proportional to 12,155,576.24, 16,758,279.60 and 7,797,096.56

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Solution

The fourth proportional to 12,155,576.24, 16,758,279.60 and 7,797,096.56 is: 10,749,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,576.24 : 16,758,279.60 = 7,797,096.56 : x
  2. Step 2: Convert to fraction form
    12,155,576.24/16,758,279.60 = 7,797,096.56/x
  3. Step 3: Cross multiply
    12,155,576.24x = 16,758,279.60 × 7,797,096.56
  4. Step 4: Simplify right side
    12,155,576.24x = 130,665,924,220,678.17
  5. Step 5: Solve for x
    x = 130,665,924,220,678.17/12,155,576.24
  6. Step 6: Final answer
    x = 10,749,463.59

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1.5x scale

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.