Home / 20,947,950.57-28,907,717.90-12,127,773.50

Finding the Fourth Proportional to 20,947,950.57, 28,907,717.90 and 12,127,773.50

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Solution

The fourth proportional to 20,947,950.57, 28,907,717.90 and 12,127,773.50 is: 16,736,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947,950.57 : 28,907,717.90 = 12,127,773.50 : x
  2. Step 2: Convert to fraction form
    20,947,950.57/28,907,717.90 = 12,127,773.50/x
  3. Step 3: Cross multiply
    20,947,950.57x = 28,907,717.90 × 12,127,773.50
  4. Step 4: Simplify right side
    20,947,950.57x = 350,586,255,093,095.62
  5. Step 5: Solve for x
    x = 350,586,255,093,095.62/20,947,950.57
  6. Step 6: Final answer
    x = 16,736,064.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.