Home / 28,608,113.40-42,912,170.10-23,821,207.80

Finding the Fourth Proportional to 28,608,113.40, 42,912,170.10 and 23,821,207.80

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Solution

The fourth proportional to 28,608,113.40, 42,912,170.10 and 23,821,207.80 is: 35,731,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,113.40 : 42,912,170.10 = 23,821,207.80 : x
  2. Step 2: Convert to fraction form
    28,608,113.40/42,912,170.10 = 23,821,207.80/x
  3. Step 3: Cross multiply
    28,608,113.40x = 42,912,170.10 × 23,821,207.80
  4. Step 4: Simplify right side
    28,608,113.40x = 1,022,219,721,101,046.88
  5. Step 5: Solve for x
    x = 1,022,219,721,101,046.88/28,608,113.40
  6. Step 6: Final answer
    x = 35,731,811.70

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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.