Home / 20,586,299.10-28,408,544.55-11,884,177.50

Finding the Fourth Proportional to 20,586,299.10, 28,408,544.55 and 11,884,177.50

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Solution

The fourth proportional to 20,586,299.10, 28,408,544.55 and 11,884,177.50 is: 16,399,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,299.10 : 28,408,544.55 = 11,884,177.50 : x
  2. Step 2: Convert to fraction form
    20,586,299.10/28,408,544.55 = 11,884,177.50/x
  3. Step 3: Cross multiply
    20,586,299.10x = 28,408,544.55 × 11,884,177.50
  4. Step 4: Simplify right side
    20,586,299.10x = 337,612,185,948,857.62
  5. Step 5: Solve for x
    x = 337,612,185,948,857.62/20,586,299.10
  6. Step 6: Final answer
    x = 16,399,848.48

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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.