Home / 28,285,181.34-39,033,807.76-17,121,930.96

Finding the Fourth Proportional to 28,285,181.34, 39,033,807.76 and 17,121,930.96

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Solution

The fourth proportional to 28,285,181.34, 39,033,807.76 and 17,121,930.96 is: 23,628,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285,181.34 : 39,033,807.76 = 17,121,930.96 : x
  2. Step 2: Convert to fraction form
    28,285,181.34/39,033,807.76 = 17,121,930.96/x
  3. Step 3: Cross multiply
    28,285,181.34x = 39,033,807.76 × 17,121,930.96
  4. Step 4: Simplify right side
    28,285,181.34x = 668,334,161,740,411.38
  5. Step 5: Solve for x
    x = 668,334,161,740,411.38/28,285,181.34
  6. Step 6: Final answer
    x = 23,628,420.61

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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.