Home / 12,562,721.55-18,844,082.33-8,258,049.45

Finding the Fourth Proportional to 12,562,721.55, 18,844,082.33 and 8,258,049.45

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Solution

The fourth proportional to 12,562,721.55, 18,844,082.33 and 8,258,049.45 is: 12,387,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,721.55 : 18,844,082.33 = 8,258,049.45 : x
  2. Step 2: Convert to fraction form
    12,562,721.55/18,844,082.33 = 8,258,049.45/x
  3. Step 3: Cross multiply
    12,562,721.55x = 18,844,082.33 × 8,258,049.45
  4. Step 4: Simplify right side
    12,562,721.55x = 155,615,363,679,720.97
  5. Step 5: Solve for x
    x = 155,615,363,679,720.97/12,562,721.55
  6. Step 6: Final answer
    x = 12,387,074.18

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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.