Home / 8,428,082.40-12,620,739.60-4,637,282.40

Finding the Fourth Proportional to 8,428,082.40, 12,620,739.60 and 4,637,282.40

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Solution

The fourth proportional to 8,428,082.40, 12,620,739.60 and 4,637,282.40 is: 6,944,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,082.40 : 12,620,739.60 = 4,637,282.40 : x
  2. Step 2: Convert to fraction form
    8,428,082.40/12,620,739.60 = 4,637,282.40/x
  3. Step 3: Cross multiply
    8,428,082.40x = 12,620,739.60 × 4,637,282.40
  4. Step 4: Simplify right side
    8,428,082.40x = 58,525,933,622,063.05
  5. Step 5: Solve for x
    x = 58,525,933,622,063.05/8,428,082.40
  6. Step 6: Final answer
    x = 6,944,157.74

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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.