Home / 12,348,519.30-18,522,778.95-3,829,716.90

Finding the Fourth Proportional to 12,348,519.30, 18,522,778.95 and 3,829,716.90

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Solution

The fourth proportional to 12,348,519.30, 18,522,778.95 and 3,829,716.90 is: 5,744,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,519.30 : 18,522,778.95 = 3,829,716.90 : x
  2. Step 2: Convert to fraction form
    12,348,519.30/18,522,778.95 = 3,829,716.90/x
  3. Step 3: Cross multiply
    12,348,519.30x = 18,522,778.95 × 3,829,716.90
  4. Step 4: Simplify right side
    12,348,519.30x = 70,936,999,579,779.25
  5. Step 5: Solve for x
    x = 70,936,999,579,779.25/12,348,519.30
  6. Step 6: Final answer
    x = 5,744,575.35

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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.