Home / 28,977,604.40-43,416,640.20-18,875,025.20

Finding the Fourth Proportional to 28,977,604.40, 43,416,640.20 and 18,875,025.20

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Solution

The fourth proportional to 28,977,604.40, 43,416,640.20 and 18,875,025.20 is: 28,280,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,604.40 : 43,416,640.20 = 18,875,025.20 : x
  2. Step 2: Convert to fraction form
    28,977,604.40/43,416,640.20 = 18,875,025.20/x
  3. Step 3: Cross multiply
    28,977,604.40x = 43,416,640.20 × 18,875,025.20
  4. Step 4: Simplify right side
    28,977,604.40x = 819,490,177,874,333.12
  5. Step 5: Solve for x
    x = 819,490,177,874,333.12/28,977,604.40
  6. Step 6: Final answer
    x = 28,280,121.66

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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.