Home / 8,066,676.80-12,100,015.20-7,320,180.80

Finding the Fourth Proportional to 8,066,676.80, 12,100,015.20 and 7,320,180.80

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Solution

The fourth proportional to 8,066,676.80, 12,100,015.20 and 7,320,180.80 is: 10,980,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,676.80 : 12,100,015.20 = 7,320,180.80 : x
  2. Step 2: Convert to fraction form
    8,066,676.80/12,100,015.20 = 7,320,180.80/x
  3. Step 3: Cross multiply
    8,066,676.80x = 12,100,015.20 × 7,320,180.80
  4. Step 4: Simplify right side
    8,066,676.80x = 88,574,298,946,748.16
  5. Step 5: Solve for x
    x = 88,574,298,946,748.16/8,066,676.80
  6. Step 6: Final answer
    x = 10,980,271.20

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Similar ratio
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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.