Home / 18,145,181.80-27,217,772.70-10,492,431.40

Finding the Fourth Proportional to 18,145,181.80, 27,217,772.70 and 10,492,431.40

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Solution

The fourth proportional to 18,145,181.80, 27,217,772.70 and 10,492,431.40 is: 15,738,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,181.80 : 27,217,772.70 = 10,492,431.40 : x
  2. Step 2: Convert to fraction form
    18,145,181.80/27,217,772.70 = 10,492,431.40/x
  3. Step 3: Cross multiply
    18,145,181.80x = 27,217,772.70 × 10,492,431.40
  4. Step 4: Simplify right side
    18,145,181.80x = 285,580,612,915,542.81
  5. Step 5: Solve for x
    x = 285,580,612,915,542.81/18,145,181.80
  6. Step 6: Final answer
    x = 15,738,647.10

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Similar ratio
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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.