Home / 18,345,753.84-25,317,423.54-10,086,174.12

Finding the Fourth Proportional to 18,345,753.84, 25,317,423.54 and 10,086,174.12

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Solution

The fourth proportional to 18,345,753.84, 25,317,423.54 and 10,086,174.12 is: 13,919,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,753.84 : 25,317,423.54 = 10,086,174.12 : x
  2. Step 2: Convert to fraction form
    18,345,753.84/25,317,423.54 = 10,086,174.12/x
  3. Step 3: Cross multiply
    18,345,753.84x = 25,317,423.54 × 10,086,174.12
  4. Step 4: Simplify right side
    18,345,753.84x = 255,355,942,094,226.75
  5. Step 5: Solve for x
    x = 255,355,942,094,226.75/18,345,753.84
  6. Step 6: Final answer
    x = 13,919,076.01

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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.