Home / 8,610,908.56-12,911,878.56-3,215,121.76

Finding the Fourth Proportional to 8,610,908.56, 12,911,878.56 and 3,215,121.76

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Solution

The fourth proportional to 8,610,908.56, 12,911,878.56 and 3,215,121.76 is: 4,821,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610,908.56 : 12,911,878.56 = 3,215,121.76 : x
  2. Step 2: Convert to fraction form
    8,610,908.56/12,911,878.56 = 3,215,121.76/x
  3. Step 3: Cross multiply
    8,610,908.56x = 12,911,878.56 × 3,215,121.76
  4. Step 4: Simplify right side
    8,610,908.56x = 41,513,261,720,733.46
  5. Step 5: Solve for x
    x = 41,513,261,720,733.46/8,610,908.56
  6. Step 6: Final answer
    x = 4,821,008.31

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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.