Home / 15,586,615.20-21,508,893.50-8,616,849.15

Finding the Fourth Proportional to 15,586,615.20, 21,508,893.50 and 8,616,849.15

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Solution

The fourth proportional to 15,586,615.20, 21,508,893.50 and 8,616,849.15 is: 11,890,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,615.20 : 21,508,893.50 = 8,616,849.15 : x
  2. Step 2: Convert to fraction form
    15,586,615.20/21,508,893.50 = 8,616,849.15/x
  3. Step 3: Cross multiply
    15,586,615.20x = 21,508,893.50 × 8,616,849.15
  4. Step 4: Simplify right side
    15,586,615.20x = 185,338,890,629,831.28
  5. Step 5: Solve for x
    x = 185,338,890,629,831.28/15,586,615.20
  6. Step 6: Final answer
    x = 11,890,900.51

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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.