Home / 12,082,720.40-18,124,080.60-6,707,949.20

Finding the Fourth Proportional to 12,082,720.40, 18,124,080.60 and 6,707,949.20

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Solution

The fourth proportional to 12,082,720.40, 18,124,080.60 and 6,707,949.20 is: 10,061,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,720.40 : 18,124,080.60 = 6,707,949.20 : x
  2. Step 2: Convert to fraction form
    12,082,720.40/18,124,080.60 = 6,707,949.20/x
  3. Step 3: Cross multiply
    12,082,720.40x = 18,124,080.60 × 6,707,949.20
  4. Step 4: Simplify right side
    12,082,720.40x = 121,575,411,961,505.53
  5. Step 5: Solve for x
    x = 121,575,411,961,505.53/12,082,720.40
  6. Step 6: Final answer
    x = 10,061,923.80

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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.