Home / 10,911,043.70-16,366,565.55-6,659,515.70

Finding the Fourth Proportional to 10,911,043.70, 16,366,565.55 and 6,659,515.70

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Solution

The fourth proportional to 10,911,043.70, 16,366,565.55 and 6,659,515.70 is: 9,989,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,043.70 : 16,366,565.55 = 6,659,515.70 : x
  2. Step 2: Convert to fraction form
    10,911,043.70/16,366,565.55 = 6,659,515.70/x
  3. Step 3: Cross multiply
    10,911,043.70x = 16,366,565.55 × 6,659,515.70
  4. Step 4: Simplify right side
    10,911,043.70x = 108,993,400,235,304.14
  5. Step 5: Solve for x
    x = 108,993,400,235,304.14/10,911,043.70
  6. Step 6: Final answer
    x = 9,989,273.55

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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.