Home / 8,814,830.40-13,206,499.20-7,208,697.60

Finding the Fourth Proportional to 8,814,830.40, 13,206,499.20 and 7,208,697.60

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Solution

The fourth proportional to 8,814,830.40, 13,206,499.20 and 7,208,697.60 is: 10,800,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814,830.40 : 13,206,499.20 = 7,208,697.60 : x
  2. Step 2: Convert to fraction form
    8,814,830.40/13,206,499.20 = 7,208,697.60/x
  3. Step 3: Cross multiply
    8,814,830.40x = 13,206,499.20 × 7,208,697.60
  4. Step 4: Simplify right side
    8,814,830.40x = 95,201,659,087,441.91
  5. Step 5: Solve for x
    x = 95,201,659,087,441.91/8,814,830.40
  6. Step 6: Final answer
    x = 10,800,169.12

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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.