Home / 25,204,552.40-37,806,828.60-21,005,512.40

Finding the Fourth Proportional to 25,204,552.40, 37,806,828.60 and 21,005,512.40

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Solution

The fourth proportional to 25,204,552.40, 37,806,828.60 and 21,005,512.40 is: 31,508,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204,552.40 : 37,806,828.60 = 21,005,512.40 : x
  2. Step 2: Convert to fraction form
    25,204,552.40/37,806,828.60 = 21,005,512.40/x
  3. Step 3: Cross multiply
    25,204,552.40x = 37,806,828.60 × 21,005,512.40
  4. Step 4: Simplify right side
    25,204,552.40x = 794,151,806,961,974.62
  5. Step 5: Solve for x
    x = 794,151,806,961,974.62/25,204,552.40
  6. Step 6: Final answer
    x = 31,508,268.60

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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.