Home / 9,428,421.96-13,011,308.10-5,707,338.48

Finding the Fourth Proportional to 9,428,421.96, 13,011,308.10 and 5,707,338.48

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Solution

The fourth proportional to 9,428,421.96, 13,011,308.10 and 5,707,338.48 is: 7,876,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428,421.96 : 13,011,308.10 = 5,707,338.48 : x
  2. Step 2: Convert to fraction form
    9,428,421.96/13,011,308.10 = 5,707,338.48/x
  3. Step 3: Cross multiply
    9,428,421.96x = 13,011,308.10 × 5,707,338.48
  4. Step 4: Simplify right side
    9,428,421.96x = 74,259,939,394,265.69
  5. Step 5: Solve for x
    x = 74,259,939,394,265.69/9,428,421.96
  6. Step 6: Final answer
    x = 7,876,179.04

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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.