Home / 10,288,789.31-15,431,681.42-3,000,290.60

Finding the Fourth Proportional to 10,288,789.31, 15,431,681.42 and 3,000,290.60

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Solution

The fourth proportional to 10,288,789.31, 15,431,681.42 and 3,000,290.60 is: 4,499,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,789.31 : 15,431,681.42 = 3,000,290.60 : x
  2. Step 2: Convert to fraction form
    10,288,789.31/15,431,681.42 = 3,000,290.60/x
  3. Step 3: Cross multiply
    10,288,789.31x = 15,431,681.42 × 3,000,290.60
  4. Step 4: Simplify right side
    10,288,789.31x = 46,299,528,691,619.20
  5. Step 5: Solve for x
    x = 46,299,528,691,619.20/10,288,789.31
  6. Step 6: Final answer
    x = 4,499,997.74

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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.