Home / 28,391,334.68-42,569,976.63-13,019,367.38

Finding the Fourth Proportional to 28,391,334.68, 42,569,976.63 and 13,019,367.38

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Solution

The fourth proportional to 28,391,334.68, 42,569,976.63 and 13,019,367.38 is: 19,521,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,334.68 : 42,569,976.63 = 13,019,367.38 : x
  2. Step 2: Convert to fraction form
    28,391,334.68/42,569,976.63 = 13,019,367.38/x
  3. Step 3: Cross multiply
    28,391,334.68x = 42,569,976.63 × 13,019,367.38
  4. Step 4: Simplify right side
    28,391,334.68x = 554,234,165,103,984.38
  5. Step 5: Solve for x
    x = 554,234,165,103,984.38/28,391,334.68
  6. Step 6: Final answer
    x = 19,521,243.77

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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.