Home / 5,459,835.80-8,189,753.70-4,200,123.80

Finding the Fourth Proportional to 5,459,835.80, 8,189,753.70 and 4,200,123.80

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Solution

The fourth proportional to 5,459,835.80, 8,189,753.70 and 4,200,123.80 is: 6,300,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,835.80 : 8,189,753.70 = 4,200,123.80 : x
  2. Step 2: Convert to fraction form
    5,459,835.80/8,189,753.70 = 4,200,123.80/x
  3. Step 3: Cross multiply
    5,459,835.80x = 8,189,753.70 × 4,200,123.80
  4. Step 4: Simplify right side
    5,459,835.80x = 34,397,979,431,508.06
  5. Step 5: Solve for x
    x = 34,397,979,431,508.06/5,459,835.80
  6. Step 6: Final answer
    x = 6,300,185.70

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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.