Home / 13,608,045.90-20,412,068.85-11,836,575.90

Finding the Fourth Proportional to 13,608,045.90, 20,412,068.85 and 11,836,575.90

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Solution

The fourth proportional to 13,608,045.90, 20,412,068.85 and 11,836,575.90 is: 17,754,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,045.90 : 20,412,068.85 = 11,836,575.90 : x
  2. Step 2: Convert to fraction form
    13,608,045.90/20,412,068.85 = 11,836,575.90/x
  3. Step 3: Cross multiply
    13,608,045.90x = 20,412,068.85 × 11,836,575.90
  4. Step 4: Simplify right side
    13,608,045.90x = 241,609,002,219,050.75
  5. Step 5: Solve for x
    x = 241,609,002,219,050.75/13,608,045.90
  6. Step 6: Final answer
    x = 17,754,863.85

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1.5x scale

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.