Home / 9,282,389.42-12,810,508-5,416,156.14

Finding the Fourth Proportional to 9,282,389.42, 12,810,508 and 5,416,156.14

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Solution

The fourth proportional to 9,282,389.42, 12,810,508 and 5,416,156.14 is: 7,474,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282,389.42 : 12,810,508 = 5,416,156.14 : x
  2. Step 2: Convert to fraction form
    9,282,389.42/12,810,508 = 5,416,156.14/x
  3. Step 3: Cross multiply
    9,282,389.42x = 12,810,508 × 5,416,156.14
  4. Step 4: Simplify right side
    9,282,389.42x = 69,383,711,560,719.12
  5. Step 5: Solve for x
    x = 69,383,711,560,719.12/9,282,389.42
  6. Step 6: Final answer
    x = 7,474,768.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.