Home / 12,195,069.74-18,294,277.66-7,079,900.91

Finding the Fourth Proportional to 12,195,069.74, 18,294,277.66 and 7,079,900.91

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Solution

The fourth proportional to 12,195,069.74, 18,294,277.66 and 7,079,900.91 is: 10,620,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,069.74 : 18,294,277.66 = 7,079,900.91 : x
  2. Step 2: Convert to fraction form
    12,195,069.74/18,294,277.66 = 7,079,900.91/x
  3. Step 3: Cross multiply
    12,195,069.74x = 18,294,277.66 × 7,079,900.91
  4. Step 4: Simplify right side
    12,195,069.74x = 129,521,673,035,126.91
  5. Step 5: Solve for x
    x = 129,521,673,035,126.91/12,195,069.74
  6. Step 6: Final answer
    x = 10,620,822.66

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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.