Home / 18,727,802.80-28,091,704.20-17,496,084.40

Finding the Fourth Proportional to 18,727,802.80, 28,091,704.20 and 17,496,084.40

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Solution

The fourth proportional to 18,727,802.80, 28,091,704.20 and 17,496,084.40 is: 26,244,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,802.80 : 28,091,704.20 = 17,496,084.40 : x
  2. Step 2: Convert to fraction form
    18,727,802.80/28,091,704.20 = 17,496,084.40/x
  3. Step 3: Cross multiply
    18,727,802.80x = 28,091,704.20 × 17,496,084.40
  4. Step 4: Simplify right side
    18,727,802.80x = 491,494,827,623,034.44
  5. Step 5: Solve for x
    x = 491,494,827,623,034.44/18,727,802.80
  6. Step 6: Final answer
    x = 26,244,126.60

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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.