Home / 15,037,993.47-20,751,894-8,511,482.76

Finding the Fourth Proportional to 15,037,993.47, 20,751,894 and 8,511,482.76

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Solution

The fourth proportional to 15,037,993.47, 20,751,894 and 8,511,482.76 is: 11,745,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,993.47 : 20,751,894 = 8,511,482.76 : x
  2. Step 2: Convert to fraction form
    15,037,993.47/20,751,894 = 8,511,482.76/x
  3. Step 3: Cross multiply
    15,037,993.47x = 20,751,894 × 8,511,482.76
  4. Step 4: Simplify right side
    15,037,993.47x = 176,629,388,018,347.44
  5. Step 5: Solve for x
    x = 176,629,388,018,347.44/15,037,993.47
  6. Step 6: Final answer
    x = 11,745,542.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.