Home / 8,521,100.51-12,781,913.20-3,726,321.71

Finding the Fourth Proportional to 8,521,100.51, 12,781,913.20 and 3,726,321.71

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Solution

The fourth proportional to 8,521,100.51, 12,781,913.20 and 3,726,321.71 is: 5,589,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,100.51 : 12,781,913.20 = 3,726,321.71 : x
  2. Step 2: Convert to fraction form
    8,521,100.51/12,781,913.20 = 3,726,321.71/x
  3. Step 3: Cross multiply
    8,521,100.51x = 12,781,913.20 × 3,726,321.71
  4. Step 4: Simplify right side
    8,521,100.51x = 47,629,520,579,270.20
  5. Step 5: Solve for x
    x = 47,629,520,579,270.20/8,521,100.51
  6. Step 6: Final answer
    x = 5,589,597.32

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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.