Home / 26,121,894.80-39,105,427.80-19,420,019.60

Finding the Fourth Proportional to 26,121,894.80, 39,105,427.80 and 19,420,019.60

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Solution

The fourth proportional to 26,121,894.80, 39,105,427.80 and 19,420,019.60 is: 29,072,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121,894.80 : 39,105,427.80 = 19,420,019.60 : x
  2. Step 2: Convert to fraction form
    26,121,894.80/39,105,427.80 = 19,420,019.60/x
  3. Step 3: Cross multiply
    26,121,894.80x = 39,105,427.80 × 19,420,019.60
  4. Step 4: Simplify right side
    26,121,894.80x = 759,428,174,342,384.88
  5. Step 5: Solve for x
    x = 759,428,174,342,384.88/26,121,894.80
  6. Step 6: Final answer
    x = 29,072,476.56

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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.