Home / 42,348,629.70-63,531,801.90-13,597,671.60

Finding the Fourth Proportional to 42,348,629.70, 63,531,801.90 and 13,597,671.60

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Solution

The fourth proportional to 42,348,629.70, 63,531,801.90 and 13,597,671.60 is: 20,399,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,629.70 : 63,531,801.90 = 13,597,671.60 : x
  2. Step 2: Convert to fraction form
    42,348,629.70/63,531,801.90 = 13,597,671.60/x
  3. Step 3: Cross multiply
    42,348,629.70x = 63,531,801.90 × 13,597,671.60
  4. Step 4: Simplify right side
    42,348,629.70x = 863,884,578,392,456
  5. Step 5: Solve for x
    x = 863,884,578,392,456/42,348,629.70
  6. Step 6: Final answer
    x = 20,399,351.40

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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.