Home / 15,203,689.76-20,981,430.66-8,677,188.32

Finding the Fourth Proportional to 15,203,689.76, 20,981,430.66 and 8,677,188.32

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Solution

The fourth proportional to 15,203,689.76, 20,981,430.66 and 8,677,188.32 is: 11,974,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203,689.76 : 20,981,430.66 = 8,677,188.32 : x
  2. Step 2: Convert to fraction form
    15,203,689.76/20,981,430.66 = 8,677,188.32/x
  3. Step 3: Cross multiply
    15,203,689.76x = 20,981,430.66 × 8,677,188.32
  4. Step 4: Simplify right side
    15,203,689.76x = 182,059,824,938,664.97
  5. Step 5: Solve for x
    x = 182,059,824,938,664.97/15,203,689.76
  6. Step 6: Final answer
    x = 11,974,713.23

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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.