Home / 47,293,755.20-70,972,125.60-21,721,601.60

Finding the Fourth Proportional to 47,293,755.20, 70,972,125.60 and 21,721,601.60

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Solution

The fourth proportional to 47,293,755.20, 70,972,125.60 and 21,721,601.60 is: 32,596,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293,755.20 : 70,972,125.60 = 21,721,601.60 : x
  2. Step 2: Convert to fraction form
    47,293,755.20/70,972,125.60 = 21,721,601.60/x
  3. Step 3: Cross multiply
    47,293,755.20x = 70,972,125.60 × 21,721,601.60
  4. Step 4: Simplify right side
    47,293,755.20x = 1,541,628,236,988,361
  5. Step 5: Solve for x
    x = 1,541,628,236,988,361/47,293,755.20
  6. Step 6: Final answer
    x = 32,596,866.76

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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.