Home / 31,899,633.80-47,860,509.90-13,961,611.40

Finding the Fourth Proportional to 31,899,633.80, 47,860,509.90 and 13,961,611.40

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Solution

The fourth proportional to 31,899,633.80, 47,860,509.90 and 13,961,611.40 is: 20,947,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899,633.80 : 47,860,509.90 = 13,961,611.40 : x
  2. Step 2: Convert to fraction form
    31,899,633.80/47,860,509.90 = 13,961,611.40/x
  3. Step 3: Cross multiply
    31,899,633.80x = 47,860,509.90 × 13,961,611.40
  4. Step 4: Simplify right side
    31,899,633.80x = 668,209,840,629,652.88
  5. Step 5: Solve for x
    x = 668,209,840,629,652.88/31,899,633.80
  6. Step 6: Final answer
    x = 20,947,257.41

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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.