Home / 7,181,004.76-9,909,775.26-3,917,819.78

Finding the Fourth Proportional to 7,181,004.76, 9,909,775.26 and 3,917,819.78

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Solution

The fourth proportional to 7,181,004.76, 9,909,775.26 and 3,917,819.78 is: 5,406,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,004.76 : 9,909,775.26 = 3,917,819.78 : x
  2. Step 2: Convert to fraction form
    7,181,004.76/9,909,775.26 = 3,917,819.78/x
  3. Step 3: Cross multiply
    7,181,004.76x = 9,909,775.26 × 3,917,819.78
  4. Step 4: Simplify right side
    7,181,004.76x = 38,824,713,528,982.64
  5. Step 5: Solve for x
    x = 38,824,713,528,982.64/7,181,004.76
  6. Step 6: Final answer
    x = 5,406,585.13

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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.