Home / 38,665,928.40-57,997,049.40-13,104,430.80

Finding the Fourth Proportional to 38,665,928.40, 57,997,049.40 and 13,104,430.80

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Solution

The fourth proportional to 38,665,928.40, 57,997,049.40 and 13,104,430.80 is: 19,656,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665,928.40 : 57,997,049.40 = 13,104,430.80 : x
  2. Step 2: Convert to fraction form
    38,665,928.40/57,997,049.40 = 13,104,430.80/x
  3. Step 3: Cross multiply
    38,665,928.40x = 57,997,049.40 × 13,104,430.80
  4. Step 4: Simplify right side
    38,665,928.40x = 760,018,320,466,481.50
  5. Step 5: Solve for x
    x = 760,018,320,466,481.50/38,665,928.40
  6. Step 6: Final answer
    x = 19,656,021.51

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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.