Home / 18,921,937.42-28,389,492.94-5,970,087.84

Finding the Fourth Proportional to 18,921,937.42, 28,389,492.94 and 5,970,087.84

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Solution

The fourth proportional to 18,921,937.42, 28,389,492.94 and 5,970,087.84 is: 8,957,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921,937.42 : 28,389,492.94 = 5,970,087.84 : x
  2. Step 2: Convert to fraction form
    18,921,937.42/28,389,492.94 = 5,970,087.84/x
  3. Step 3: Cross multiply
    18,921,937.42x = 28,389,492.94 × 5,970,087.84
  4. Step 4: Simplify right side
    18,921,937.42x = 169,487,766,584,859.84
  5. Step 5: Solve for x
    x = 169,487,766,584,859.84/18,921,937.42
  6. Step 6: Final answer
    x = 8,957,209.97

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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.