Home / 10,389,760.47-15,588,774.14-3,998,296.71

Finding the Fourth Proportional to 10,389,760.47, 15,588,774.14 and 3,998,296.71

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Solution

The fourth proportional to 10,389,760.47, 15,588,774.14 and 3,998,296.71 is: 5,999,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,760.47 : 15,588,774.14 = 3,998,296.71 : x
  2. Step 2: Convert to fraction form
    10,389,760.47/15,588,774.14 = 3,998,296.71/x
  3. Step 3: Cross multiply
    10,389,760.47x = 15,588,774.14 × 3,998,296.71
  4. Step 4: Simplify right side
    10,389,760.47x = 62,328,544,336,903.59
  5. Step 5: Solve for x
    x = 62,328,544,336,903.59/10,389,760.47
  6. Step 6: Final answer
    x = 5,999,035.73

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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.