Home / 18,810,000.30-28,215,000.45-9,244,062.30

Finding the Fourth Proportional to 18,810,000.30, 28,215,000.45 and 9,244,062.30

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Solution

The fourth proportional to 18,810,000.30, 28,215,000.45 and 9,244,062.30 is: 13,866,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810,000.30 : 28,215,000.45 = 9,244,062.30 : x
  2. Step 2: Convert to fraction form
    18,810,000.30/28,215,000.45 = 9,244,062.30/x
  3. Step 3: Cross multiply
    18,810,000.30x = 28,215,000.45 × 9,244,062.30
  4. Step 4: Simplify right side
    18,810,000.30x = 260,821,221,954,328.06
  5. Step 5: Solve for x
    x = 260,821,221,954,328.06/18,810,000.30
  6. Step 6: Final answer
    x = 13,866,093.45

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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.