Home / 20,739,777.58-31,111,161.04-7,960,282.28

Finding the Fourth Proportional to 20,739,777.58, 31,111,161.04 and 7,960,282.28

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Solution

The fourth proportional to 20,739,777.58, 31,111,161.04 and 7,960,282.28 is: 11,940,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739,777.58 : 31,111,161.04 = 7,960,282.28 : x
  2. Step 2: Convert to fraction form
    20,739,777.58/31,111,161.04 = 7,960,282.28/x
  3. Step 3: Cross multiply
    20,739,777.58x = 31,111,161.04 × 7,960,282.28
  4. Step 4: Simplify right side
    20,739,777.58x = 247,653,623,936,938.38
  5. Step 5: Solve for x
    x = 247,653,623,936,938.38/20,739,777.58
  6. Step 6: Final answer
    x = 11,940,997.10

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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.