Home / 38,326,197.15-52,890,366.88-21,806,321.37

Finding the Fourth Proportional to 38,326,197.15, 52,890,366.88 and 21,806,321.37

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Solution

The fourth proportional to 38,326,197.15, 52,890,366.88 and 21,806,321.37 is: 30,092,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326,197.15 : 52,890,366.88 = 21,806,321.37 : x
  2. Step 2: Convert to fraction form
    38,326,197.15/52,890,366.88 = 21,806,321.37/x
  3. Step 3: Cross multiply
    38,326,197.15x = 52,890,366.88 × 21,806,321.37
  4. Step 4: Simplify right side
    38,326,197.15x = 1,153,344,337,562,484.25
  5. Step 5: Solve for x
    x = 1,153,344,337,562,484.25/38,326,197.15
  6. Step 6: Final answer
    x = 30,092,845.71

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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.