Home / 10,288,786.56-15,431,677.29-3,000,287.85

Finding the Fourth Proportional to 10,288,786.56, 15,431,677.29 and 3,000,287.85

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Solution

The fourth proportional to 10,288,786.56, 15,431,677.29 and 3,000,287.85 is: 4,499,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,786.56 : 15,431,677.29 = 3,000,287.85 : x
  2. Step 2: Convert to fraction form
    10,288,786.56/15,431,677.29 = 3,000,287.85/x
  3. Step 3: Cross multiply
    10,288,786.56x = 15,431,677.29 × 3,000,287.85
  4. Step 4: Simplify right side
    10,288,786.56x = 46,299,473,878,307.92
  5. Step 5: Solve for x
    x = 46,299,473,878,307.92/10,288,786.56
  6. Step 6: Final answer
    x = 4,499,993.62

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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.