Home / 9,990,218.92-13,786,474.97-5,406,540.29

Finding the Fourth Proportional to 9,990,218.92, 13,786,474.97 and 5,406,540.29

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Solution

The fourth proportional to 9,990,218.92, 13,786,474.97 and 5,406,540.29 is: 7,461,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,218.92 : 13,786,474.97 = 5,406,540.29 : x
  2. Step 2: Convert to fraction form
    9,990,218.92/13,786,474.97 = 5,406,540.29/x
  3. Step 3: Cross multiply
    9,990,218.92x = 13,786,474.97 × 5,406,540.29
  4. Step 4: Simplify right side
    9,990,218.92x = 74,537,132,430,364.09
  5. Step 5: Solve for x
    x = 74,537,132,430,364.09/9,990,218.92
  6. Step 6: Final answer
    x = 7,461,010.92

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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.