Home / 8,162,907.40-12,245,657.10-2,772,065.80

Finding the Fourth Proportional to 8,162,907.40, 12,245,657.10 and 2,772,065.80

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Solution

The fourth proportional to 8,162,907.40, 12,245,657.10 and 2,772,065.80 is: 4,158,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162,907.40 : 12,245,657.10 = 2,772,065.80 : x
  2. Step 2: Convert to fraction form
    8,162,907.40/12,245,657.10 = 2,772,065.80/x
  3. Step 3: Cross multiply
    8,162,907.40x = 12,245,657.10 × 2,772,065.80
  4. Step 4: Simplify right side
    8,162,907.40x = 33,945,767,245,437.18
  5. Step 5: Solve for x
    x = 33,945,767,245,437.18/8,162,907.40
  6. Step 6: Final answer
    x = 4,158,538.81

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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.