Home / 30,867,382.36-42,597,769.80-16,929,292.42

Finding the Fourth Proportional to 30,867,382.36, 42,597,769.80 and 16,929,292.42

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Solution

The fourth proportional to 30,867,382.36, 42,597,769.80 and 16,929,292.42 is: 23,362,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867,382.36 : 42,597,769.80 = 16,929,292.42 : x
  2. Step 2: Convert to fraction form
    30,867,382.36/42,597,769.80 = 16,929,292.42/x
  3. Step 3: Cross multiply
    30,867,382.36x = 42,597,769.80 × 16,929,292.42
  4. Step 4: Simplify right side
    30,867,382.36x = 721,150,101,384,045
  5. Step 5: Solve for x
    x = 721,150,101,384,045/30,867,382.36
  6. Step 6: Final answer
    x = 23,362,852.51

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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.