Home / 7,103,326.86-9,802,561.68-3,840,140.61

Finding the Fourth Proportional to 7,103,326.86, 9,802,561.68 and 3,840,140.61

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Solution

The fourth proportional to 7,103,326.86, 9,802,561.68 and 3,840,140.61 is: 5,299,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,326.86 : 9,802,561.68 = 3,840,140.61 : x
  2. Step 2: Convert to fraction form
    7,103,326.86/9,802,561.68 = 3,840,140.61/x
  3. Step 3: Cross multiply
    7,103,326.86x = 9,802,561.68 × 3,840,140.61
  4. Step 4: Simplify right side
    7,103,326.86x = 37,643,215,189,397.82
  5. Step 5: Solve for x
    x = 37,643,215,189,397.82/7,103,326.86
  6. Step 6: Final answer
    x = 5,299,378.15

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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.