Home / 38,789,328.44-53,526,806.66-21,384,722.36

Finding the Fourth Proportional to 38,789,328.44, 53,526,806.66 and 21,384,722.36

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Solution

The fourth proportional to 38,789,328.44, 53,526,806.66 and 21,384,722.36 is: 29,509,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789,328.44 : 53,526,806.66 = 21,384,722.36 : x
  2. Step 2: Convert to fraction form
    38,789,328.44/53,526,806.66 = 21,384,722.36/x
  3. Step 3: Cross multiply
    38,789,328.44x = 53,526,806.66 × 21,384,722.36
  4. Step 4: Simplify right side
    38,789,328.44x = 1,144,655,899,241,498.75
  5. Step 5: Solve for x
    x = 1,144,655,899,241,498.75/38,789,328.44
  6. Step 6: Final answer
    x = 29,509,557.02

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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.