Home / 9,160,979.20-13,746,717.60-3,485,276.80

Finding the Fourth Proportional to 9,160,979.20, 13,746,717.60 and 3,485,276.80

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Solution

The fourth proportional to 9,160,979.20, 13,746,717.60 and 3,485,276.80 is: 5,229,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,979.20 : 13,746,717.60 = 3,485,276.80 : x
  2. Step 2: Convert to fraction form
    9,160,979.20/13,746,717.60 = 3,485,276.80/x
  3. Step 3: Cross multiply
    9,160,979.20x = 13,746,717.60 × 3,485,276.80
  4. Step 4: Simplify right side
    9,160,979.20x = 47,911,115,927,431.68
  5. Step 5: Solve for x
    x = 47,911,115,927,431.68/9,160,979.20
  6. Step 6: Final answer
    x = 5,229,912.10

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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.