Home / 12,562,718.80-18,844,078.20-8,258,046.70

Finding the Fourth Proportional to 12,562,718.80, 18,844,078.20 and 8,258,046.70

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Solution

The fourth proportional to 12,562,718.80, 18,844,078.20 and 8,258,046.70 is: 12,387,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,718.80 : 18,844,078.20 = 8,258,046.70 : x
  2. Step 2: Convert to fraction form
    12,562,718.80/18,844,078.20 = 8,258,046.70/x
  3. Step 3: Cross multiply
    12,562,718.80x = 18,844,078.20 × 8,258,046.70
  4. Step 4: Simplify right side
    12,562,718.80x = 155,615,277,794,051.94
  5. Step 5: Solve for x
    x = 155,615,277,794,051.94/12,562,718.80
  6. Step 6: Final answer
    x = 12,387,070.05

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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.