Home / 8,657,209.26-12,985,682.67-2,977,482.78

Finding the Fourth Proportional to 8,657,209.26, 12,985,682.67 and 2,977,482.78

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Solution

The fourth proportional to 8,657,209.26, 12,985,682.67 and 2,977,482.78 is: 4,466,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,209.26 : 12,985,682.67 = 2,977,482.78 : x
  2. Step 2: Convert to fraction form
    8,657,209.26/12,985,682.67 = 2,977,482.78/x
  3. Step 3: Cross multiply
    8,657,209.26x = 12,985,682.67 × 2,977,482.78
  4. Step 4: Simplify right side
    8,657,209.26x = 38,664,646,536,469.42
  5. Step 5: Solve for x
    x = 38,664,646,536,469.42/8,657,209.26
  6. Step 6: Final answer
    x = 4,466,179.04

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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.