Home / 30,985,251.06-42,758,787.96-16,855,969.08

Finding the Fourth Proportional to 30,985,251.06, 42,758,787.96 and 16,855,969.08

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Solution

The fourth proportional to 30,985,251.06, 42,758,787.96 and 16,855,969.08 is: 23,260,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985,251.06 : 42,758,787.96 = 16,855,969.08 : x
  2. Step 2: Convert to fraction form
    30,985,251.06/42,758,787.96 = 16,855,969.08/x
  3. Step 3: Cross multiply
    30,985,251.06x = 42,758,787.96 × 16,855,969.08
  4. Step 4: Simplify right side
    30,985,251.06x = 720,740,807,752,036.25
  5. Step 5: Solve for x
    x = 720,740,807,752,036.25/30,985,251.06
  6. Step 6: Final answer
    x = 23,260,770.31

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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.