Home / 7,182,965.89-10,765,092.12-2,918,148.22

Finding the Fourth Proportional to 7,182,965.89, 10,765,092.12 and 2,918,148.22

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Solution

The fourth proportional to 7,182,965.89, 10,765,092.12 and 2,918,148.22 is: 4,373,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,965.89 : 10,765,092.12 = 2,918,148.22 : x
  2. Step 2: Convert to fraction form
    7,182,965.89/10,765,092.12 = 2,918,148.22/x
  3. Step 3: Cross multiply
    7,182,965.89x = 10,765,092.12 × 2,918,148.22
  4. Step 4: Simplify right side
    7,182,965.89x = 31,414,134,393,523.29
  5. Step 5: Solve for x
    x = 31,414,134,393,523.29/7,182,965.89
  6. Step 6: Final answer
    x = 4,373,421.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.