Home / 7,962,154.85-10,987,447.92-4,477,394.45

Finding the Fourth Proportional to 7,962,154.85, 10,987,447.92 and 4,477,394.45

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Solution

The fourth proportional to 7,962,154.85, 10,987,447.92 and 4,477,394.45 is: 6,178,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962,154.85 : 10,987,447.92 = 4,477,394.45 : x
  2. Step 2: Convert to fraction form
    7,962,154.85/10,987,447.92 = 4,477,394.45/x
  3. Step 3: Cross multiply
    7,962,154.85x = 10,987,447.92 × 4,477,394.45
  4. Step 4: Simplify right side
    7,962,154.85x = 49,195,138,336,672.05
  5. Step 5: Solve for x
    x = 49,195,138,336,672.05/7,962,154.85
  6. Step 6: Final answer
    x = 6,178,621.15

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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.