Home / 28,062,456.40-42,093,684.60-15,969,221.20

Finding the Fourth Proportional to 28,062,456.40, 42,093,684.60 and 15,969,221.20

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Solution

The fourth proportional to 28,062,456.40, 42,093,684.60 and 15,969,221.20 is: 23,953,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062,456.40 : 42,093,684.60 = 15,969,221.20 : x
  2. Step 2: Convert to fraction form
    28,062,456.40/42,093,684.60 = 15,969,221.20/x
  3. Step 3: Cross multiply
    28,062,456.40x = 42,093,684.60 × 15,969,221.20
  4. Step 4: Simplify right side
    28,062,456.40x = 672,203,360,500,433.50
  5. Step 5: Solve for x
    x = 672,203,360,500,433.50/28,062,456.40
  6. Step 6: Final answer
    x = 23,953,831.80

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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.