Home / 7,405,952.19-10,219,734-4,142,202.18

Finding the Fourth Proportional to 7,405,952.19, 10,219,734 and 4,142,202.18

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Solution

The fourth proportional to 7,405,952.19, 10,219,734 and 4,142,202.18 is: 5,715,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,952.19 : 10,219,734 = 4,142,202.18 : x
  2. Step 2: Convert to fraction form
    7,405,952.19/10,219,734 = 4,142,202.18/x
  3. Step 3: Cross multiply
    7,405,952.19x = 10,219,734 × 4,142,202.18
  4. Step 4: Simplify right side
    7,405,952.19x = 42,332,204,453,820.12
  5. Step 5: Solve for x
    x = 42,332,204,453,820.12/7,405,952.19
  6. Step 6: Final answer
    x = 5,715,970.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.