Home / 18,156,690-25,056,232.20-10,008,102.96

Finding the Fourth Proportional to 18,156,690, 25,056,232.20 and 10,008,102.96

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Solution

The fourth proportional to 18,156,690, 25,056,232.20 and 10,008,102.96 is: 13,811,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,690 : 25,056,232.20 = 10,008,102.96 : x
  2. Step 2: Convert to fraction form
    18,156,690/25,056,232.20 = 10,008,102.96/x
  3. Step 3: Cross multiply
    18,156,690x = 25,056,232.20 × 10,008,102.96
  4. Step 4: Simplify right side
    18,156,690x = 250,765,351,647,267.31
  5. Step 5: Solve for x
    x = 250,765,351,647,267.31/18,156,690
  6. Step 6: Final answer
    x = 13,811,182.08

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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.