Home / 18,680,158.64-28,017,526.39-7,168,523.29

Finding the Fourth Proportional to 18,680,158.64, 28,017,526.39 and 7,168,523.29

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Solution

The fourth proportional to 18,680,158.64, 28,017,526.39 and 7,168,523.29 is: 10,751,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,158.64 : 28,017,526.39 = 7,168,523.29 : x
  2. Step 2: Convert to fraction form
    18,680,158.64/28,017,526.39 = 7,168,523.29/x
  3. Step 3: Cross multiply
    18,680,158.64x = 28,017,526.39 × 7,168,523.29
  4. Step 4: Simplify right side
    18,680,158.64x = 200,844,290,366,939.47
  5. Step 5: Solve for x
    x = 200,844,290,366,939.47/18,680,158.64
  6. Step 6: Final answer
    x = 10,751,744.36

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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.