Home / 28,526,276.20-39,373,285.80-17,515,664.32

Finding the Fourth Proportional to 28,526,276.20, 39,373,285.80 and 17,515,664.32

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Solution

The fourth proportional to 28,526,276.20, 39,373,285.80 and 17,515,664.32 is: 24,175,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526,276.20 : 39,373,285.80 = 17,515,664.32 : x
  2. Step 2: Convert to fraction form
    28,526,276.20/39,373,285.80 = 17,515,664.32/x
  3. Step 3: Cross multiply
    28,526,276.20x = 39,373,285.80 × 17,515,664.32
  4. Step 4: Simplify right side
    28,526,276.20x = 689,649,257,248,222.62
  5. Step 5: Solve for x
    x = 689,649,257,248,222.62/28,526,276.20
  6. Step 6: Final answer
    x = 24,175,930.02

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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.