Home / 15,083,680.68-20,815,913.52-8,208,598.32

Finding the Fourth Proportional to 15,083,680.68, 20,815,913.52 and 8,208,598.32

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Solution

The fourth proportional to 15,083,680.68, 20,815,913.52 and 8,208,598.32 is: 11,328,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,680.68 : 20,815,913.52 = 8,208,598.32 : x
  2. Step 2: Convert to fraction form
    15,083,680.68/20,815,913.52 = 8,208,598.32/x
  3. Step 3: Cross multiply
    15,083,680.68x = 20,815,913.52 × 8,208,598.32
  4. Step 4: Simplify right side
    15,083,680.68x = 170,869,472,749,537.28
  5. Step 5: Solve for x
    x = 170,869,472,749,537.28/15,083,680.68
  6. Step 6: Final answer
    x = 11,328,101.96

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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.