Home / 30,718,729.49-42,391,037.27-16,967,398.37

Finding the Fourth Proportional to 30,718,729.49, 42,391,037.27 and 16,967,398.37

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Solution

The fourth proportional to 30,718,729.49, 42,391,037.27 and 16,967,398.37 is: 23,414,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,729.49 : 42,391,037.27 = 16,967,398.37 : x
  2. Step 2: Convert to fraction form
    30,718,729.49/42,391,037.27 = 16,967,398.37/x
  3. Step 3: Cross multiply
    30,718,729.49x = 42,391,037.27 × 16,967,398.37
  4. Step 4: Simplify right side
    30,718,729.49x = 719,265,616,508,070.50
  5. Step 5: Solve for x
    x = 719,265,616,508,070.50/30,718,729.49
  6. Step 6: Final answer
    x = 23,414,562.66

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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.