Home / 8,075,280.31-12,102,100.56-7,558,135.62

Finding the Fourth Proportional to 8,075,280.31, 12,102,100.56 and 7,558,135.62

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Solution

The fourth proportional to 8,075,280.31, 12,102,100.56 and 7,558,135.62 is: 11,327,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,280.31 : 12,102,100.56 = 7,558,135.62 : x
  2. Step 2: Convert to fraction form
    8,075,280.31/12,102,100.56 = 7,558,135.62/x
  3. Step 3: Cross multiply
    8,075,280.31x = 12,102,100.56 × 7,558,135.62
  4. Step 4: Simplify right side
    8,075,280.31x = 91,469,317,319,357.95
  5. Step 5: Solve for x
    x = 91,469,317,319,357.95/8,075,280.31
  6. Step 6: Final answer
    x = 11,327,076.44

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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.