Home / 18,970,401.68-28,458,316.94-5,840,930.46

Finding the Fourth Proportional to 18,970,401.68, 28,458,316.94 and 5,840,930.46

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Solution

The fourth proportional to 18,970,401.68, 28,458,316.94 and 5,840,930.46 is: 8,762,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970,401.68 : 28,458,316.94 = 5,840,930.46 : x
  2. Step 2: Convert to fraction form
    18,970,401.68/28,458,316.94 = 5,840,930.46/x
  3. Step 3: Cross multiply
    18,970,401.68x = 28,458,316.94 × 5,840,930.46
  4. Step 4: Simplify right side
    18,970,401.68x = 166,223,050,255,180
  5. Step 5: Solve for x
    x = 166,223,050,255,180/18,970,401.68
  6. Step 6: Final answer
    x = 8,762,231.45

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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.