Home / 9,039,970.92-12,469,948.26-5,416,199.40

Finding the Fourth Proportional to 9,039,970.92, 12,469,948.26 and 5,416,199.40

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Solution

The fourth proportional to 9,039,970.92, 12,469,948.26 and 5,416,199.40 is: 7,471,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039,970.92 : 12,469,948.26 = 5,416,199.40 : x
  2. Step 2: Convert to fraction form
    9,039,970.92/12,469,948.26 = 5,416,199.40/x
  3. Step 3: Cross multiply
    9,039,970.92x = 12,469,948.26 × 5,416,199.40
  4. Step 4: Simplify right side
    9,039,970.92x = 67,539,726,283,843.05
  5. Step 5: Solve for x
    x = 67,539,726,283,843.05/9,039,970.92
  6. Step 6: Final answer
    x = 7,471,232.69

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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.