Home / 11,662,505.70-17,493,758.55-7,421,475.30

Finding the Fourth Proportional to 11,662,505.70, 17,493,758.55 and 7,421,475.30

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Solution

The fourth proportional to 11,662,505.70, 17,493,758.55 and 7,421,475.30 is: 11,132,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662,505.70 : 17,493,758.55 = 7,421,475.30 : x
  2. Step 2: Convert to fraction form
    11,662,505.70/17,493,758.55 = 7,421,475.30/x
  3. Step 3: Cross multiply
    11,662,505.70x = 17,493,758.55 × 7,421,475.30
  4. Step 4: Simplify right side
    11,662,505.70x = 129,829,496,982,988.81
  5. Step 5: Solve for x
    x = 129,829,496,982,988.81/11,662,505.70
  6. Step 6: Final answer
    x = 11,132,212.95

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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.