Home / 31,591,225.80-47,391,431.40-13,395,385.80

Finding the Fourth Proportional to 31,591,225.80, 47,391,431.40 and 13,395,385.80

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Solution

The fourth proportional to 31,591,225.80, 47,391,431.40 and 13,395,385.80 is: 20,095,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,225.80 : 47,391,431.40 = 13,395,385.80 : x
  2. Step 2: Convert to fraction form
    31,591,225.80/47,391,431.40 = 13,395,385.80/x
  3. Step 3: Cross multiply
    31,591,225.80x = 47,391,431.40 × 13,395,385.80
  4. Step 4: Simplify right side
    31,591,225.80x = 634,826,507,217,234.12
  5. Step 5: Solve for x
    x = 634,826,507,217,234.12/31,591,225.80
  6. Step 6: Final answer
    x = 20,095,026.11

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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.