Home / 18,716,201.70-28,074,302.55-10,626,051.30

Finding the Fourth Proportional to 18,716,201.70, 28,074,302.55 and 10,626,051.30

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Solution

The fourth proportional to 18,716,201.70, 28,074,302.55 and 10,626,051.30 is: 15,939,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,201.70 : 28,074,302.55 = 10,626,051.30 : x
  2. Step 2: Convert to fraction form
    18,716,201.70/28,074,302.55 = 10,626,051.30/x
  3. Step 3: Cross multiply
    18,716,201.70x = 28,074,302.55 × 10,626,051.30
  4. Step 4: Simplify right side
    18,716,201.70x = 298,318,979,108,020.88
  5. Step 5: Solve for x
    x = 298,318,979,108,020.88/18,716,201.70
  6. Step 6: Final answer
    x = 15,939,076.95

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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.