Home / 8,718,996.39-13,081,434.68-3,860,639.61

Finding the Fourth Proportional to 8,718,996.39, 13,081,434.68 and 3,860,639.61

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Solution

The fourth proportional to 8,718,996.39, 13,081,434.68 and 3,860,639.61 is: 5,792,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,996.39 : 13,081,434.68 = 3,860,639.61 : x
  2. Step 2: Convert to fraction form
    8,718,996.39/13,081,434.68 = 3,860,639.61/x
  3. Step 3: Cross multiply
    8,718,996.39x = 13,081,434.68 × 3,860,639.61
  4. Step 4: Simplify right side
    8,718,996.39x = 50,502,704,881,235.67
  5. Step 5: Solve for x
    x = 50,502,704,881,235.67/8,718,996.39
  6. Step 6: Final answer
    x = 5,792,261.24

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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.