Home / 13,141,136.70-18,134,575.56-7,340,003.10

Finding the Fourth Proportional to 13,141,136.70, 18,134,575.56 and 7,340,003.10

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Solution

The fourth proportional to 13,141,136.70, 18,134,575.56 and 7,340,003.10 is: 10,129,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,136.70 : 18,134,575.56 = 7,340,003.10 : x
  2. Step 2: Convert to fraction form
    13,141,136.70/18,134,575.56 = 7,340,003.10/x
  3. Step 3: Cross multiply
    13,141,136.70x = 18,134,575.56 × 7,340,003.10
  4. Step 4: Simplify right side
    13,141,136.70x = 133,107,840,827,584.22
  5. Step 5: Solve for x
    x = 133,107,840,827,584.22/13,141,136.70
  6. Step 6: Final answer
    x = 10,129,096.43

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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.