Home / 12,562,723.30-18,844,084.95-8,258,051.20

Finding the Fourth Proportional to 12,562,723.30, 18,844,084.95 and 8,258,051.20

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Solution

The fourth proportional to 12,562,723.30, 18,844,084.95 and 8,258,051.20 is: 12,387,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,723.30 : 18,844,084.95 = 8,258,051.20 : x
  2. Step 2: Convert to fraction form
    12,562,723.30/18,844,084.95 = 8,258,051.20/x
  3. Step 3: Cross multiply
    12,562,723.30x = 18,844,084.95 × 8,258,051.20
  4. Step 4: Simplify right side
    12,562,723.30x = 155,615,418,334,249.44
  5. Step 5: Solve for x
    x = 155,615,418,334,249.44/12,562,723.30
  6. Step 6: Final answer
    x = 12,387,076.80

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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.