Home / 7,531,449.12-10,398,404.88-5,786,009.64

Finding the Fourth Proportional to 7,531,449.12, 10,398,404.88 and 5,786,009.64

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Solution

The fourth proportional to 7,531,449.12, 10,398,404.88 and 5,786,009.64 is: 7,988,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531,449.12 : 10,398,404.88 = 5,786,009.64 : x
  2. Step 2: Convert to fraction form
    7,531,449.12/10,398,404.88 = 5,786,009.64/x
  3. Step 3: Cross multiply
    7,531,449.12x = 10,398,404.88 × 5,786,009.64
  4. Step 4: Simplify right side
    7,531,449.12x = 60,165,270,876,303.05
  5. Step 5: Solve for x
    x = 60,165,270,876,303.05/7,531,449.12
  6. Step 6: Final answer
    x = 7,988,538.45

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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.