Home / 18,356,481.38-25,331,994.77-10,097,389.79

Finding the Fourth Proportional to 18,356,481.38, 25,331,994.77 and 10,097,389.79

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Solution

The fourth proportional to 18,356,481.38, 25,331,994.77 and 10,097,389.79 is: 13,934,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356,481.38 : 25,331,994.77 = 10,097,389.79 : x
  2. Step 2: Convert to fraction form
    18,356,481.38/25,331,994.77 = 10,097,389.79/x
  3. Step 3: Cross multiply
    18,356,481.38x = 25,331,994.77 × 10,097,389.79
  4. Step 4: Simplify right side
    18,356,481.38x = 255,787,025,350,931.38
  5. Step 5: Solve for x
    x = 255,787,025,350,931.38/18,356,481.38
  6. Step 6: Final answer
    x = 13,934,425.67

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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.