Home / 18,391,006.40-25,380,376.20-10,242,244.40

Finding the Fourth Proportional to 18,391,006.40, 25,380,376.20 and 10,242,244.40

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Solution

The fourth proportional to 18,391,006.40, 25,380,376.20 and 10,242,244.40 is: 14,134,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,006.40 : 25,380,376.20 = 10,242,244.40 : x
  2. Step 2: Convert to fraction form
    18,391,006.40/25,380,376.20 = 10,242,244.40/x
  3. Step 3: Cross multiply
    18,391,006.40x = 25,380,376.20 × 10,242,244.40
  4. Step 4: Simplify right side
    18,391,006.40x = 259,952,016,004,343.28
  5. Step 5: Solve for x
    x = 259,952,016,004,343.28/18,391,006.40
  6. Step 6: Final answer
    x = 14,134,735.77

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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.