Home / 18,775,050.91-28,172,179.89-8,938,230.22

Finding the Fourth Proportional to 18,775,050.91, 28,172,179.89 and 8,938,230.22

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Solution

The fourth proportional to 18,775,050.91, 28,172,179.89 and 8,938,230.22 is: 13,411,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775,050.91 : 28,172,179.89 = 8,938,230.22 : x
  2. Step 2: Convert to fraction form
    18,775,050.91/28,172,179.89 = 8,938,230.22/x
  3. Step 3: Cross multiply
    18,775,050.91x = 28,172,179.89 × 8,938,230.22
  4. Step 4: Simplify right side
    18,775,050.91x = 251,809,429,656,074.31
  5. Step 5: Solve for x
    x = 251,809,429,656,074.31/18,775,050.91
  6. Step 6: Final answer
    x = 13,411,917.28

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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.