Home / 18,716,200.20-28,074,300.30-10,626,049.80

Finding the Fourth Proportional to 18,716,200.20, 28,074,300.30 and 10,626,049.80

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Solution

The fourth proportional to 18,716,200.20, 28,074,300.30 and 10,626,049.80 is: 15,939,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,200.20 : 28,074,300.30 = 10,626,049.80 : x
  2. Step 2: Convert to fraction form
    18,716,200.20/28,074,300.30 = 10,626,049.80/x
  3. Step 3: Cross multiply
    18,716,200.20x = 28,074,300.30 × 10,626,049.80
  4. Step 4: Simplify right side
    18,716,200.20x = 298,318,913,087,955
  5. Step 5: Solve for x
    x = 298,318,913,087,955/18,716,200.20
  6. Step 6: Final answer
    x = 15,939,074.70

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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.