Home / 30,718,729.36-42,391,037.10-16,967,398.24

Finding the Fourth Proportional to 30,718,729.36, 42,391,037.10 and 16,967,398.24

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Solution

The fourth proportional to 30,718,729.36, 42,391,037.10 and 16,967,398.24 is: 23,414,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,729.36 : 42,391,037.10 = 16,967,398.24 : x
  2. Step 2: Convert to fraction form
    30,718,729.36/42,391,037.10 = 16,967,398.24/x
  3. Step 3: Cross multiply
    30,718,729.36x = 42,391,037.10 × 16,967,398.24
  4. Step 4: Simplify right side
    30,718,729.36x = 719,265,608,282,314.62
  5. Step 5: Solve for x
    x = 719,265,608,282,314.62/30,718,729.36
  6. Step 6: Final answer
    x = 23,414,562.49

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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.