Home / 12,291,010.10-18,436,515.15-3,316,469.30

Finding the Fourth Proportional to 12,291,010.10, 18,436,515.15 and 3,316,469.30

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Solution

The fourth proportional to 12,291,010.10, 18,436,515.15 and 3,316,469.30 is: 4,974,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,010.10 : 18,436,515.15 = 3,316,469.30 : x
  2. Step 2: Convert to fraction form
    12,291,010.10/18,436,515.15 = 3,316,469.30/x
  3. Step 3: Cross multiply
    12,291,010.10x = 18,436,515.15 × 3,316,469.30
  4. Step 4: Simplify right side
    12,291,010.10x = 61,144,136,493,959.88
  5. Step 5: Solve for x
    x = 61,144,136,493,959.88/12,291,010.10
  6. Step 6: Final answer
    x = 4,974,703.95

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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.