Home / 7,890,837.22-11,836,848.75-2,499,911.38

Finding the Fourth Proportional to 7,890,837.22, 11,836,848.75 and 2,499,911.38

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Solution

The fourth proportional to 7,890,837.22, 11,836,848.75 and 2,499,911.38 is: 3,750,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,837.22 : 11,836,848.75 = 2,499,911.38 : x
  2. Step 2: Convert to fraction form
    7,890,837.22/11,836,848.75 = 2,499,911.38/x
  3. Step 3: Cross multiply
    7,890,837.22x = 11,836,848.75 × 2,499,911.38
  4. Step 4: Simplify right side
    7,890,837.22x = 29,591,072,893,463.77
  5. Step 5: Solve for x
    x = 29,591,072,893,463.77/7,890,837.22
  6. Step 6: Final answer
    x = 3,750,054.91

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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.