Home / 12,195,060.41-18,294,263.67-7,079,891.57

Finding the Fourth Proportional to 12,195,060.41, 18,294,263.67 and 7,079,891.57

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Solution

The fourth proportional to 12,195,060.41, 18,294,263.67 and 7,079,891.57 is: 10,620,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,060.41 : 18,294,263.67 = 7,079,891.57 : x
  2. Step 2: Convert to fraction form
    12,195,060.41/18,294,263.67 = 7,079,891.57/x
  3. Step 3: Cross multiply
    12,195,060.41x = 18,294,263.67 × 7,079,891.57
  4. Step 4: Simplify right side
    12,195,060.41x = 129,521,403,136,590.28
  5. Step 5: Solve for x
    x = 129,521,403,136,590.28/12,195,060.41
  6. Step 6: Final answer
    x = 10,620,808.65

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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.