Home / 31,136,872.80-46,705,309.20-13,865,040.30

Finding the Fourth Proportional to 31,136,872.80, 46,705,309.20 and 13,865,040.30

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Solution

The fourth proportional to 31,136,872.80, 46,705,309.20 and 13,865,040.30 is: 20,797,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,872.80 : 46,705,309.20 = 13,865,040.30 : x
  2. Step 2: Convert to fraction form
    31,136,872.80/46,705,309.20 = 13,865,040.30/x
  3. Step 3: Cross multiply
    31,136,872.80x = 46,705,309.20 × 13,865,040.30
  4. Step 4: Simplify right side
    31,136,872.80x = 647,570,994,281,960.88
  5. Step 5: Solve for x
    x = 647,570,994,281,960.88/31,136,872.80
  6. Step 6: Final answer
    x = 20,797,560.45

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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.