Home / 7,338,803.70-11,008,205.55-1,947,443.70

Finding the Fourth Proportional to 7,338,803.70, 11,008,205.55 and 1,947,443.70

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Solution

The fourth proportional to 7,338,803.70, 11,008,205.55 and 1,947,443.70 is: 2,921,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,803.70 : 11,008,205.55 = 1,947,443.70 : x
  2. Step 2: Convert to fraction form
    7,338,803.70/11,008,205.55 = 1,947,443.70/x
  3. Step 3: Cross multiply
    7,338,803.70x = 11,008,205.55 × 1,947,443.70
  4. Step 4: Simplify right side
    7,338,803.70x = 21,437,860,546,652.54
  5. Step 5: Solve for x
    x = 21,437,860,546,652.54/7,338,803.70
  6. Step 6: Final answer
    x = 2,921,165.55

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Double scale
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Similar ratio
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1.5x scale

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.