Home / 7,660,739.16-10,571,891.88-4,223,103.12

Finding the Fourth Proportional to 7,660,739.16, 10,571,891.88 and 4,223,103.12

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Solution

The fourth proportional to 7,660,739.16, 10,571,891.88 and 4,223,103.12 is: 5,827,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,739.16 : 10,571,891.88 = 4,223,103.12 : x
  2. Step 2: Convert to fraction form
    7,660,739.16/10,571,891.88 = 4,223,103.12/x
  3. Step 3: Cross multiply
    7,660,739.16x = 10,571,891.88 × 4,223,103.12
  4. Step 4: Simplify right side
    7,660,739.16x = 44,646,189,582,730.67
  5. Step 5: Solve for x
    x = 44,646,189,582,730.67/7,660,739.16
  6. Step 6: Final answer
    x = 5,827,921.91

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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.