Home / 20,351,901-30,541,848.30-8,384,637

Finding the Fourth Proportional to 20,351,901, 30,541,848.30 and 8,384,637

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Solution

The fourth proportional to 20,351,901, 30,541,848.30 and 8,384,637 is: 12,582,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,901 : 30,541,848.30 = 8,384,637 : x
  2. Step 2: Convert to fraction form
    20,351,901/30,541,848.30 = 8,384,637/x
  3. Step 3: Cross multiply
    20,351,901x = 30,541,848.30 × 8,384,637
  4. Step 4: Simplify right side
    20,351,901x = 256,082,311,304,567.09
  5. Step 5: Solve for x
    x = 256,082,311,304,567.09/20,351,901
  6. Step 6: Final answer
    x = 12,582,721.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.