Home / 42,348,630.70-63,531,803.40-13,597,672.60

Finding the Fourth Proportional to 42,348,630.70, 63,531,803.40 and 13,597,672.60

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Solution

The fourth proportional to 42,348,630.70, 63,531,803.40 and 13,597,672.60 is: 20,399,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,630.70 : 63,531,803.40 = 13,597,672.60 : x
  2. Step 2: Convert to fraction form
    42,348,630.70/63,531,803.40 = 13,597,672.60/x
  3. Step 3: Cross multiply
    42,348,630.70x = 63,531,803.40 × 13,597,672.60
  4. Step 4: Simplify right side
    42,348,630.70x = 863,884,662,320,766.75
  5. Step 5: Solve for x
    x = 863,884,662,320,766.75/42,348,630.70
  6. Step 6: Final answer
    x = 20,399,352.90

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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.