Home / 10,288,789.65-15,431,681.94-3,000,290.97

Finding the Fourth Proportional to 10,288,789.65, 15,431,681.94 and 3,000,290.97

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Solution

The fourth proportional to 10,288,789.65, 15,431,681.94 and 3,000,290.97 is: 4,499,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,789.65 : 15,431,681.94 = 3,000,290.97 : x
  2. Step 2: Convert to fraction form
    10,288,789.65/15,431,681.94 = 3,000,290.97/x
  3. Step 3: Cross multiply
    10,288,789.65x = 15,431,681.94 × 3,000,290.97
  4. Step 4: Simplify right side
    10,288,789.65x = 46,299,535,976,494.09
  5. Step 5: Solve for x
    x = 46,299,535,976,494.09/10,288,789.65
  6. Step 6: Final answer
    x = 4,499,998.30

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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.