Home / 28,003,792.80-41,921,708.40-16,638,391.20

Finding the Fourth Proportional to 28,003,792.80, 41,921,708.40 and 16,638,391.20

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Solution

The fourth proportional to 28,003,792.80, 41,921,708.40 and 16,638,391.20 is: 24,907,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,792.80 : 41,921,708.40 = 16,638,391.20 : x
  2. Step 2: Convert to fraction form
    28,003,792.80/41,921,708.40 = 16,638,391.20/x
  3. Step 3: Cross multiply
    28,003,792.80x = 41,921,708.40 × 16,638,391.20
  4. Step 4: Simplify right side
    28,003,792.80x = 697,509,784,131,526
  5. Step 5: Solve for x
    x = 697,509,784,131,526/28,003,792.80
  6. Step 6: Final answer
    x = 24,907,689.79

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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.