Home / 18,440,439.40-27,660,659.10-8,874,501.40

Finding the Fourth Proportional to 18,440,439.40, 27,660,659.10 and 8,874,501.40

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Solution

The fourth proportional to 18,440,439.40, 27,660,659.10 and 8,874,501.40 is: 13,311,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,439.40 : 27,660,659.10 = 8,874,501.40 : x
  2. Step 2: Convert to fraction form
    18,440,439.40/27,660,659.10 = 8,874,501.40/x
  3. Step 3: Cross multiply
    18,440,439.40x = 27,660,659.10 × 8,874,501.40
  4. Step 4: Simplify right side
    18,440,439.40x = 245,474,557,907,872.75
  5. Step 5: Solve for x
    x = 245,474,557,907,872.75/18,440,439.40
  6. Step 6: Final answer
    x = 13,311,752.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.