Home / 6,972,140.20-10,458,210.30-1,923,442.60

Finding the Fourth Proportional to 6,972,140.20, 10,458,210.30 and 1,923,442.60

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Solution

The fourth proportional to 6,972,140.20, 10,458,210.30 and 1,923,442.60 is: 2,885,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972,140.20 : 10,458,210.30 = 1,923,442.60 : x
  2. Step 2: Convert to fraction form
    6,972,140.20/10,458,210.30 = 1,923,442.60/x
  3. Step 3: Cross multiply
    6,972,140.20x = 10,458,210.30 × 1,923,442.60
  4. Step 4: Simplify right side
    6,972,140.20x = 20,115,767,210,778.78
  5. Step 5: Solve for x
    x = 20,115,767,210,778.78/6,972,140.20
  6. Step 6: Final answer
    x = 2,885,163.90

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Double scale
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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.