Home / 30,879,247.34-42,618,472.17-17,132,640.14

Finding the Fourth Proportional to 30,879,247.34, 42,618,472.17 and 17,132,640.14

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Solution

The fourth proportional to 30,879,247.34, 42,618,472.17 and 17,132,640.14 is: 23,645,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,879,247.34 : 42,618,472.17 = 17,132,640.14 : x
  2. Step 2: Convert to fraction form
    30,879,247.34/42,618,472.17 = 17,132,640.14/x
  3. Step 3: Cross multiply
    30,879,247.34x = 42,618,472.17 × 17,132,640.14
  4. Step 4: Simplify right side
    30,879,247.34x = 730,166,947,005,215
  5. Step 5: Solve for x
    x = 730,166,947,005,215/30,879,247.34
  6. Step 6: Final answer
    x = 23,645,879.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.