Home / 18,729,101.10-28,093,651.65-5,265,929.10

Finding the Fourth Proportional to 18,729,101.10, 28,093,651.65 and 5,265,929.10

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Solution

The fourth proportional to 18,729,101.10, 28,093,651.65 and 5,265,929.10 is: 7,898,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,101.10 : 28,093,651.65 = 5,265,929.10 : x
  2. Step 2: Convert to fraction form
    18,729,101.10/28,093,651.65 = 5,265,929.10/x
  3. Step 3: Cross multiply
    18,729,101.10x = 28,093,651.65 × 5,265,929.10
  4. Step 4: Simplify right side
    18,729,101.10x = 147,939,177,748,998
  5. Step 5: Solve for x
    x = 147,939,177,748,998/18,729,101.10
  6. Step 6: Final answer
    x = 7,898,893.65

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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.