Home / 7,987,998.28-11,023,430.34-4,316,912.68

Finding the Fourth Proportional to 7,987,998.28, 11,023,430.34 and 4,316,912.68

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Solution

The fourth proportional to 7,987,998.28, 11,023,430.34 and 4,316,912.68 is: 5,957,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,998.28 : 11,023,430.34 = 4,316,912.68 : x
  2. Step 2: Convert to fraction form
    7,987,998.28/11,023,430.34 = 4,316,912.68/x
  3. Step 3: Cross multiply
    7,987,998.28x = 11,023,430.34 × 4,316,912.68
  4. Step 4: Simplify right side
    7,987,998.28x = 47,587,186,211,842.71
  5. Step 5: Solve for x
    x = 47,587,186,211,842.71/7,987,998.28
  6. Step 6: Final answer
    x = 5,957,335.56

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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.