Home / 8,120,559.02-11,206,225.06-4,815,078.01

Finding the Fourth Proportional to 8,120,559.02, 11,206,225.06 and 4,815,078.01

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Solution

The fourth proportional to 8,120,559.02, 11,206,225.06 and 4,815,078.01 is: 6,644,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,559.02 : 11,206,225.06 = 4,815,078.01 : x
  2. Step 2: Convert to fraction form
    8,120,559.02/11,206,225.06 = 4,815,078.01/x
  3. Step 3: Cross multiply
    8,120,559.02x = 11,206,225.06 × 4,815,078.01
  4. Step 4: Simplify right side
    8,120,559.02x = 53,958,847,821,463.67
  5. Step 5: Solve for x
    x = 53,958,847,821,463.67/8,120,559.02
  6. Step 6: Final answer
    x = 6,644,720.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.