Home / 7,183,423.62-9,913,334.75-3,920,447.64

Finding the Fourth Proportional to 7,183,423.62, 9,913,334.75 and 3,920,447.64

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Solution

The fourth proportional to 7,183,423.62, 9,913,334.75 and 3,920,447.64 is: 5,410,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,423.62 : 9,913,334.75 = 3,920,447.64 : x
  2. Step 2: Convert to fraction form
    7,183,423.62/9,913,334.75 = 3,920,447.64/x
  3. Step 3: Cross multiply
    7,183,423.62x = 9,913,334.75 × 3,920,447.64
  4. Step 4: Simplify right side
    7,183,423.62x = 38,864,709,801,679.42
  5. Step 5: Solve for x
    x = 38,864,709,801,679.42/7,183,423.62
  6. Step 6: Final answer
    x = 5,410,332.44

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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.