Home / 20,849,569.61-31,247,117.15-11,627,174.07

Finding the Fourth Proportional to 20,849,569.61, 31,247,117.15 and 11,627,174.07

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Solution

The fourth proportional to 20,849,569.61, 31,247,117.15 and 11,627,174.07 is: 17,425,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849,569.61 : 31,247,117.15 = 11,627,174.07 : x
  2. Step 2: Convert to fraction form
    20,849,569.61/31,247,117.15 = 11,627,174.07/x
  3. Step 3: Cross multiply
    20,849,569.61x = 31,247,117.15 × 11,627,174.07
  4. Step 4: Simplify right side
    20,849,569.61x = 363,315,670,230,596.44
  5. Step 5: Solve for x
    x = 363,315,670,230,596.44/20,849,569.61
  6. Step 6: Final answer
    x = 17,425,571.71

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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.