Home / 12,101,551.80-18,151,890.30-4,912,882.80

Finding the Fourth Proportional to 12,101,551.80, 18,151,890.30 and 4,912,882.80

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Solution

The fourth proportional to 12,101,551.80, 18,151,890.30 and 4,912,882.80 is: 7,369,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,551.80 : 18,151,890.30 = 4,912,882.80 : x
  2. Step 2: Convert to fraction form
    12,101,551.80/18,151,890.30 = 4,912,882.80/x
  3. Step 3: Cross multiply
    12,101,551.80x = 18,151,890.30 × 4,912,882.80
  4. Step 4: Simplify right side
    12,101,551.80x = 89,178,109,642,356.84
  5. Step 5: Solve for x
    x = 89,178,109,642,356.84/12,101,551.80
  6. Step 6: Final answer
    x = 7,369,146.63

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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.