Home / 18,851,230.73-28,274,728.54-5,206,316.91

Finding the Fourth Proportional to 18,851,230.73, 28,274,728.54 and 5,206,316.91

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Solution

The fourth proportional to 18,851,230.73, 28,274,728.54 and 5,206,316.91 is: 7,808,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,230.73 : 28,274,728.54 = 5,206,316.91 : x
  2. Step 2: Convert to fraction form
    18,851,230.73/28,274,728.54 = 5,206,316.91/x
  3. Step 3: Cross multiply
    18,851,230.73x = 28,274,728.54 × 5,206,316.91
  4. Step 4: Simplify right side
    18,851,230.73x = 147,207,197,323,461.62
  5. Step 5: Solve for x
    x = 147,207,197,323,461.62/18,851,230.73
  6. Step 6: Final answer
    x = 7,808,890.54

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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.