Home / 18,212,352.14-25,134,478.62-10,372,195.82

Finding the Fourth Proportional to 18,212,352.14, 25,134,478.62 and 10,372,195.82

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Solution

The fourth proportional to 18,212,352.14, 25,134,478.62 and 10,372,195.82 is: 14,314,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,352.14 : 25,134,478.62 = 10,372,195.82 : x
  2. Step 2: Convert to fraction form
    18,212,352.14/25,134,478.62 = 10,372,195.82/x
  3. Step 3: Cross multiply
    18,212,352.14x = 25,134,478.62 × 10,372,195.82
  4. Step 4: Simplify right side
    18,212,352.14x = 260,699,734,080,243.38
  5. Step 5: Solve for x
    x = 260,699,734,080,243.38/18,212,352.14
  6. Step 6: Final answer
    x = 14,314,446.16

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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.