Home / 7,380,200.74-11,069,907.45-1,988,764.60

Finding the Fourth Proportional to 7,380,200.74, 11,069,907.45 and 1,988,764.60

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Solution

The fourth proportional to 7,380,200.74, 11,069,907.45 and 1,988,764.60 is: 2,983,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,200.74 : 11,069,907.45 = 1,988,764.60 : x
  2. Step 2: Convert to fraction form
    7,380,200.74/11,069,907.45 = 1,988,764.60/x
  3. Step 3: Cross multiply
    7,380,200.74x = 11,069,907.45 × 1,988,764.60
  4. Step 4: Simplify right side
    7,380,200.74x = 22,015,440,061,836.27
  5. Step 5: Solve for x
    x = 22,015,440,061,836.27/7,380,200.74
  6. Step 6: Final answer
    x = 2,983,040.82

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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.