Home / 8,066,878.20-12,114,314.10-4,287,742.20

Finding the Fourth Proportional to 8,066,878.20, 12,114,314.10 and 4,287,742.20

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Solution

The fourth proportional to 8,066,878.20, 12,114,314.10 and 4,287,742.20 is: 6,439,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,878.20 : 12,114,314.10 = 4,287,742.20 : x
  2. Step 2: Convert to fraction form
    8,066,878.20/12,114,314.10 = 4,287,742.20/x
  3. Step 3: Cross multiply
    8,066,878.20x = 12,114,314.10 × 4,287,742.20
  4. Step 4: Simplify right side
    8,066,878.20x = 51,943,055,790,625.02
  5. Step 5: Solve for x
    x = 51,943,055,790,625.02/8,066,878.20
  6. Step 6: Final answer
    x = 6,439,052.94

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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.