Home / 29,077,680.72-40,120,152.03-16,515,940.98

Finding the Fourth Proportional to 29,077,680.72, 40,120,152.03 and 16,515,940.98

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Solution

The fourth proportional to 29,077,680.72, 40,120,152.03 and 16,515,940.98 is: 22,787,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077,680.72 : 40,120,152.03 = 16,515,940.98 : x
  2. Step 2: Convert to fraction form
    29,077,680.72/40,120,152.03 = 16,515,940.98/x
  3. Step 3: Cross multiply
    29,077,680.72x = 40,120,152.03 × 16,515,940.98
  4. Step 4: Simplify right side
    29,077,680.72x = 662,622,063,036,107.25
  5. Step 5: Solve for x
    x = 662,622,063,036,107.25/29,077,680.72
  6. Step 6: Final answer
    x = 22,787,995.69

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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.