Home / 12,927,950.87-17,840,692.54-7,126,940.21

Finding the Fourth Proportional to 12,927,950.87, 17,840,692.54 and 7,126,940.21

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Solution

The fourth proportional to 12,927,950.87, 17,840,692.54 and 7,126,940.21 is: 9,835,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,950.87 : 17,840,692.54 = 7,126,940.21 : x
  2. Step 2: Convert to fraction form
    12,927,950.87/17,840,692.54 = 7,126,940.21/x
  3. Step 3: Cross multiply
    12,927,950.87x = 17,840,692.54 × 7,126,940.21
  4. Step 4: Simplify right side
    12,927,950.87x = 127,149,548,948,369.56
  5. Step 5: Solve for x
    x = 127,149,548,948,369.56/12,927,950.87
  6. Step 6: Final answer
    x = 9,835,243.82

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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.