Home / 12,726,100.41-19,092,140.42-4,206,436.89

Finding the Fourth Proportional to 12,726,100.41, 19,092,140.42 and 4,206,436.89

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Solution

The fourth proportional to 12,726,100.41, 19,092,140.42 and 4,206,436.89 is: 6,310,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,100.41 : 19,092,140.42 = 4,206,436.89 : x
  2. Step 2: Convert to fraction form
    12,726,100.41/19,092,140.42 = 4,206,436.89/x
  3. Step 3: Cross multiply
    12,726,100.41x = 19,092,140.42 × 4,206,436.89
  4. Step 4: Simplify right side
    12,726,100.41x = 80,309,883,750,715.91
  5. Step 5: Solve for x
    x = 80,309,883,750,715.91/12,726,100.41
  6. Step 6: Final answer
    x = 6,310,643.57

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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.