Home / 8,304,810.10-12,457,215.15-7,667,080.90

Finding the Fourth Proportional to 8,304,810.10, 12,457,215.15 and 7,667,080.90

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Solution

The fourth proportional to 8,304,810.10, 12,457,215.15 and 7,667,080.90 is: 11,500,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,810.10 : 12,457,215.15 = 7,667,080.90 : x
  2. Step 2: Convert to fraction form
    8,304,810.10/12,457,215.15 = 7,667,080.90/x
  3. Step 3: Cross multiply
    8,304,810.10x = 12,457,215.15 × 7,667,080.90
  4. Step 4: Simplify right side
    8,304,810.10x = 95,510,476,343,755.64
  5. Step 5: Solve for x
    x = 95,510,476,343,755.64/8,304,810.10
  6. Step 6: Final answer
    x = 11,500,621.35

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Double scale
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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.