Home / 15,046,605.68-20,770,672.78-10,158,449.26

Finding the Fourth Proportional to 15,046,605.68, 20,770,672.78 and 10,158,449.26

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Solution

The fourth proportional to 15,046,605.68, 20,770,672.78 and 10,158,449.26 is: 14,022,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,605.68 : 20,770,672.78 = 10,158,449.26 : x
  2. Step 2: Convert to fraction form
    15,046,605.68/20,770,672.78 = 10,158,449.26/x
  3. Step 3: Cross multiply
    15,046,605.68x = 20,770,672.78 × 10,158,449.26
  4. Step 4: Simplify right side
    15,046,605.68x = 210,997,825,531,693.16
  5. Step 5: Solve for x
    x = 210,997,825,531,693.16/15,046,605.68
  6. Step 6: Final answer
    x = 14,022,951.76

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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.