Home / 6,418,506.72-8,858,515.20-4,096,401.12

Finding the Fourth Proportional to 6,418,506.72, 8,858,515.20 and 4,096,401.12

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Solution

The fourth proportional to 6,418,506.72, 8,858,515.20 and 4,096,401.12 is: 5,653,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,506.72 : 8,858,515.20 = 4,096,401.12 : x
  2. Step 2: Convert to fraction form
    6,418,506.72/8,858,515.20 = 4,096,401.12/x
  3. Step 3: Cross multiply
    6,418,506.72x = 8,858,515.20 × 4,096,401.12
  4. Step 4: Simplify right side
    6,418,506.72x = 36,288,031,586,817.02
  5. Step 5: Solve for x
    x = 36,288,031,586,817.02/6,418,506.72
  6. Step 6: Final answer
    x = 5,653,656.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.