Home / 8,315,114.55-12,395,809.70-8,184,080.85

Finding the Fourth Proportional to 8,315,114.55, 12,395,809.70 and 8,184,080.85

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Solution

The fourth proportional to 8,315,114.55, 12,395,809.70 and 8,184,080.85 is: 12,200,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,114.55 : 12,395,809.70 = 8,184,080.85 : x
  2. Step 2: Convert to fraction form
    8,315,114.55/12,395,809.70 = 8,184,080.85/x
  3. Step 3: Cross multiply
    8,315,114.55x = 12,395,809.70 × 8,184,080.85
  4. Step 4: Simplify right side
    8,315,114.55x = 101,448,308,745,093.84
  5. Step 5: Solve for x
    x = 101,448,308,745,093.84/8,315,114.55
  6. Step 6: Final answer
    x = 12,200,470.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.