Home / 40,943,630.80-61,415,446.20-19,420,270.30

Finding the Fourth Proportional to 40,943,630.80, 61,415,446.20 and 19,420,270.30

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Solution

The fourth proportional to 40,943,630.80, 61,415,446.20 and 19,420,270.30 is: 29,130,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,630.80 : 61,415,446.20 = 19,420,270.30 : x
  2. Step 2: Convert to fraction form
    40,943,630.80/61,415,446.20 = 19,420,270.30/x
  3. Step 3: Cross multiply
    40,943,630.80x = 61,415,446.20 × 19,420,270.30
  4. Step 4: Simplify right side
    40,943,630.80x = 1,192,704,565,799,108
  5. Step 5: Solve for x
    x = 1,192,704,565,799,108/40,943,630.80
  6. Step 6: Final answer
    x = 29,130,405.45

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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.