Home / 40,406,381.40-60,647,625.90-21,250,885.80

Finding the Fourth Proportional to 40,406,381.40, 60,647,625.90 and 21,250,885.80

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Solution

The fourth proportional to 40,406,381.40, 60,647,625.90 and 21,250,885.80 is: 31,896,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406,381.40 : 60,647,625.90 = 21,250,885.80 : x
  2. Step 2: Convert to fraction form
    40,406,381.40/60,647,625.90 = 21,250,885.80/x
  3. Step 3: Cross multiply
    40,406,381.40x = 60,647,625.90 × 21,250,885.80
  4. Step 4: Simplify right side
    40,406,381.40x = 1,288,815,772,042,022.25
  5. Step 5: Solve for x
    x = 1,288,815,772,042,022.25/40,406,381.40
  6. Step 6: Final answer
    x = 31,896,342.30

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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.