Home / 8,778,113.33-12,113,521.61-4,857,632.87

Finding the Fourth Proportional to 8,778,113.33, 12,113,521.61 and 4,857,632.87

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Solution

The fourth proportional to 8,778,113.33, 12,113,521.61 and 4,857,632.87 is: 6,703,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,113.33 : 12,113,521.61 = 4,857,632.87 : x
  2. Step 2: Convert to fraction form
    8,778,113.33/12,113,521.61 = 4,857,632.87/x
  3. Step 3: Cross multiply
    8,778,113.33x = 12,113,521.61 × 4,857,632.87
  4. Step 4: Simplify right side
    8,778,113.33x = 58,843,040,659,335.55
  5. Step 5: Solve for x
    x = 58,843,040,659,335.55/8,778,113.33
  6. Step 6: Final answer
    x = 6,703,381.29

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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.