Home / 6,385,371.70-9,578,057.55-5,251,630.90

Finding the Fourth Proportional to 6,385,371.70, 9,578,057.55 and 5,251,630.90

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Solution

The fourth proportional to 6,385,371.70, 9,578,057.55 and 5,251,630.90 is: 7,877,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,371.70 : 9,578,057.55 = 5,251,630.90 : x
  2. Step 2: Convert to fraction form
    6,385,371.70/9,578,057.55 = 5,251,630.90/x
  3. Step 3: Cross multiply
    6,385,371.70x = 9,578,057.55 × 5,251,630.90
  4. Step 4: Simplify right side
    6,385,371.70x = 50,300,422,991,558.30
  5. Step 5: Solve for x
    x = 50,300,422,991,558.30/6,385,371.70
  6. Step 6: Final answer
    x = 7,877,446.35

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1.5x scale

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.