Home / 28,783,551.60-39,721,236.57-16,393,644.18

Finding the Fourth Proportional to 28,783,551.60, 39,721,236.57 and 16,393,644.18

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Solution

The fourth proportional to 28,783,551.60, 39,721,236.57 and 16,393,644.18 is: 22,623,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783,551.60 : 39,721,236.57 = 16,393,644.18 : x
  2. Step 2: Convert to fraction form
    28,783,551.60/39,721,236.57 = 16,393,644.18/x
  3. Step 3: Cross multiply
    28,783,551.60x = 39,721,236.57 × 16,393,644.18
  4. Step 4: Simplify right side
    28,783,551.60x = 651,175,818,718,183.62
  5. Step 5: Solve for x
    x = 651,175,818,718,183.62/28,783,551.60
  6. Step 6: Final answer
    x = 22,623,192.15

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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.