Home / 8,789,080.80-13,183,621.20-7,277,426.40

Finding the Fourth Proportional to 8,789,080.80, 13,183,621.20 and 7,277,426.40

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Solution

The fourth proportional to 8,789,080.80, 13,183,621.20 and 7,277,426.40 is: 10,916,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,080.80 : 13,183,621.20 = 7,277,426.40 : x
  2. Step 2: Convert to fraction form
    8,789,080.80/13,183,621.20 = 7,277,426.40/x
  3. Step 3: Cross multiply
    8,789,080.80x = 13,183,621.20 × 7,277,426.40
  4. Step 4: Simplify right side
    8,789,080.80x = 95,942,832,968,479.67
  5. Step 5: Solve for x
    x = 95,942,832,968,479.67/8,789,080.80
  6. Step 6: Final answer
    x = 10,916,139.60

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Similar ratio
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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.