Home / 18,971,986.73-28,453,720.91-8,727,007.10

Finding the Fourth Proportional to 18,971,986.73, 28,453,720.91 and 8,727,007.10

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Solution

The fourth proportional to 18,971,986.73, 28,453,720.91 and 8,727,007.10 is: 13,088,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,986.73 : 28,453,720.91 = 8,727,007.10 : x
  2. Step 2: Convert to fraction form
    18,971,986.73/28,453,720.91 = 8,727,007.10/x
  3. Step 3: Cross multiply
    18,971,986.73x = 28,453,720.91 × 8,727,007.10
  4. Step 4: Simplify right side
    18,971,986.73x = 248,315,824,217,084.84
  5. Step 5: Solve for x
    x = 248,315,824,217,084.84/18,971,986.73
  6. Step 6: Final answer
    x = 13,088,551.44

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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.