Home / 15,945,342.40-23,921,512.80-5,163,140.80

Finding the Fourth Proportional to 15,945,342.40, 23,921,512.80 and 5,163,140.80

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Solution

The fourth proportional to 15,945,342.40, 23,921,512.80 and 5,163,140.80 is: 7,745,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,342.40 : 23,921,512.80 = 5,163,140.80 : x
  2. Step 2: Convert to fraction form
    15,945,342.40/23,921,512.80 = 5,163,140.80/x
  3. Step 3: Cross multiply
    15,945,342.40x = 23,921,512.80 × 5,163,140.80
  4. Step 4: Simplify right side
    15,945,342.40x = 123,510,138,735,402.23
  5. Step 5: Solve for x
    x = 123,510,138,735,402.23/15,945,342.40
  6. Step 6: Final answer
    x = 7,745,844.25

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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.