Home / 12,490,314.30-17,231,355.70-8,361,675.62

Finding the Fourth Proportional to 12,490,314.30, 17,231,355.70 and 8,361,675.62

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Solution

The fourth proportional to 12,490,314.30, 17,231,355.70 and 8,361,675.62 is: 11,535,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,314.30 : 17,231,355.70 = 8,361,675.62 : x
  2. Step 2: Convert to fraction form
    12,490,314.30/17,231,355.70 = 8,361,675.62/x
  3. Step 3: Cross multiply
    12,490,314.30x = 17,231,355.70 × 8,361,675.62
  4. Step 4: Simplify right side
    12,490,314.30x = 144,083,006,856,238.03
  5. Step 5: Solve for x
    x = 144,083,006,856,238.03/12,490,314.30
  6. Step 6: Final answer
    x = 11,535,578.96

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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.