Home / 7,135,310-9,846,621.32-4,195,459.28

Finding the Fourth Proportional to 7,135,310, 9,846,621.32 and 4,195,459.28

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Solution

The fourth proportional to 7,135,310, 9,846,621.32 and 4,195,459.28 is: 5,789,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,310 : 9,846,621.32 = 4,195,459.28 : x
  2. Step 2: Convert to fraction form
    7,135,310/9,846,621.32 = 4,195,459.28/x
  3. Step 3: Cross multiply
    7,135,310x = 9,846,621.32 × 4,195,459.28
  4. Step 4: Simplify right side
    7,135,310x = 41,311,098,793,639.85
  5. Step 5: Solve for x
    x = 41,311,098,793,639.85/7,135,310
  6. Step 6: Final answer
    x = 5,789,671.20

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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.