Home / 42,821,915.56-64,222,588.60-19,770,702.44

Finding the Fourth Proportional to 42,821,915.56, 64,222,588.60 and 19,770,702.44

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Solution

The fourth proportional to 42,821,915.56, 64,222,588.60 and 19,770,702.44 is: 29,651,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,821,915.56 : 64,222,588.60 = 19,770,702.44 : x
  2. Step 2: Convert to fraction form
    42,821,915.56/64,222,588.60 = 19,770,702.44/x
  3. Step 3: Cross multiply
    42,821,915.56x = 64,222,588.60 × 19,770,702.44
  4. Step 4: Simplify right side
    42,821,915.56x = 1,269,725,688,717,169.50
  5. Step 5: Solve for x
    x = 1,269,725,688,717,169.50/42,821,915.56
  6. Step 6: Final answer
    x = 29,651,305.23

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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.