Home / 6,520,642.60-9,780,963.90-5,465,633.80

Finding the Fourth Proportional to 6,520,642.60, 9,780,963.90 and 5,465,633.80

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Solution

The fourth proportional to 6,520,642.60, 9,780,963.90 and 5,465,633.80 is: 8,198,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,642.60 : 9,780,963.90 = 5,465,633.80 : x
  2. Step 2: Convert to fraction form
    6,520,642.60/9,780,963.90 = 5,465,633.80/x
  3. Step 3: Cross multiply
    6,520,642.60x = 9,780,963.90 × 5,465,633.80
  4. Step 4: Simplify right side
    6,520,642.60x = 53,459,166,888,419.82
  5. Step 5: Solve for x
    x = 53,459,166,888,419.82/6,520,642.60
  6. Step 6: Final answer
    x = 8,198,450.70

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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.