Home / 25,761,971.80-38,647,623.30-12,950,234.20

Finding the Fourth Proportional to 25,761,971.80, 38,647,623.30 and 12,950,234.20

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Solution

The fourth proportional to 25,761,971.80, 38,647,623.30 and 12,950,234.20 is: 19,427,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761,971.80 : 38,647,623.30 = 12,950,234.20 : x
  2. Step 2: Convert to fraction form
    25,761,971.80/38,647,623.30 = 12,950,234.20/x
  3. Step 3: Cross multiply
    25,761,971.80x = 38,647,623.30 × 12,950,234.20
  4. Step 4: Simplify right side
    25,761,971.80x = 500,495,773,008,376.81
  5. Step 5: Solve for x
    x = 500,495,773,008,376.81/25,761,971.80
  6. Step 6: Final answer
    x = 19,427,696.64

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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.