Home / 7,890,837.72-11,836,849.50-2,499,911.88

Finding the Fourth Proportional to 7,890,837.72, 11,836,849.50 and 2,499,911.88

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Solution

The fourth proportional to 7,890,837.72, 11,836,849.50 and 2,499,911.88 is: 3,750,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,837.72 : 11,836,849.50 = 2,499,911.88 : x
  2. Step 2: Convert to fraction form
    7,890,837.72/11,836,849.50 = 2,499,911.88/x
  3. Step 3: Cross multiply
    7,890,837.72x = 11,836,849.50 × 2,499,911.88
  4. Step 4: Simplify right side
    7,890,837.72x = 29,591,080,686,822.06
  5. Step 5: Solve for x
    x = 29,591,080,686,822.06/7,890,837.72
  6. Step 6: Final answer
    x = 3,750,055.66

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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.