Home / 7,221,739.44-9,960,189.28-6,348,707.52

Finding the Fourth Proportional to 7,221,739.44, 9,960,189.28 and 6,348,707.52

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Solution

The fourth proportional to 7,221,739.44, 9,960,189.28 and 6,348,707.52 is: 8,756,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,739.44 : 9,960,189.28 = 6,348,707.52 : x
  2. Step 2: Convert to fraction form
    7,221,739.44/9,960,189.28 = 6,348,707.52/x
  3. Step 3: Cross multiply
    7,221,739.44x = 9,960,189.28 × 6,348,707.52
  4. Step 4: Simplify right side
    7,221,739.44x = 63,234,328,582,559.38
  5. Step 5: Solve for x
    x = 63,234,328,582,559.38/7,221,739.44
  6. Step 6: Final answer
    x = 8,756,107.74

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1.5x scale

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.