Home / 20,888,920.85-31,333,381.28-16,353,957.65

Finding the Fourth Proportional to 20,888,920.85, 31,333,381.28 and 16,353,957.65

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Solution

The fourth proportional to 20,888,920.85, 31,333,381.28 and 16,353,957.65 is: 24,530,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,920.85 : 31,333,381.28 = 16,353,957.65 : x
  2. Step 2: Convert to fraction form
    20,888,920.85/31,333,381.28 = 16,353,957.65/x
  3. Step 3: Cross multiply
    20,888,920.85x = 31,333,381.28 × 16,353,957.65
  4. Step 4: Simplify right side
    20,888,920.85x = 512,424,790,484,422.81
  5. Step 5: Solve for x
    x = 512,424,790,484,422.81/20,888,920.85
  6. Step 6: Final answer
    x = 24,530,936.48

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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.