Home / 7,181,009.24-9,909,446.34-3,917,629.40

Finding the Fourth Proportional to 7,181,009.24, 9,909,446.34 and 3,917,629.40

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Solution

The fourth proportional to 7,181,009.24, 9,909,446.34 and 3,917,629.40 is: 5,406,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,009.24 : 9,909,446.34 = 3,917,629.40 : x
  2. Step 2: Convert to fraction form
    7,181,009.24/9,909,446.34 = 3,917,629.40/x
  3. Step 3: Cross multiply
    7,181,009.24x = 9,909,446.34 × 3,917,629.40
  4. Step 4: Simplify right side
    7,181,009.24x = 38,821,538,319,306.39
  5. Step 5: Solve for x
    x = 38,821,538,319,306.39/7,181,009.24
  6. Step 6: Final answer
    x = 5,406,139.59

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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.