Home / 13,800,572.88-19,044,921.08-7,605,845.60

Finding the Fourth Proportional to 13,800,572.88, 19,044,921.08 and 7,605,845.60

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Solution

The fourth proportional to 13,800,572.88, 19,044,921.08 and 7,605,845.60 is: 10,496,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,572.88 : 19,044,921.08 = 7,605,845.60 : x
  2. Step 2: Convert to fraction form
    13,800,572.88/19,044,921.08 = 7,605,845.60/x
  3. Step 3: Cross multiply
    13,800,572.88x = 19,044,921.08 × 7,605,845.60
  4. Step 4: Simplify right side
    13,800,572.88x = 144,852,729,198,665.22
  5. Step 5: Solve for x
    x = 144,852,729,198,665.22/13,800,572.88
  6. Step 6: Final answer
    x = 10,496,138.85

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1.5x scale

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.