Home / 38,973,623.70-53,781,947.34-21,568,340.46

Finding the Fourth Proportional to 38,973,623.70, 53,781,947.34 and 21,568,340.46

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Solution

The fourth proportional to 38,973,623.70, 53,781,947.34 and 21,568,340.46 is: 29,763,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,973,623.70 : 53,781,947.34 = 21,568,340.46 : x
  2. Step 2: Convert to fraction form
    38,973,623.70/53,781,947.34 = 21,568,340.46/x
  3. Step 3: Cross multiply
    38,973,623.70x = 53,781,947.34 × 21,568,340.46
  4. Step 4: Simplify right side
    38,973,623.70x = 1,159,987,350,830,911.50
  5. Step 5: Solve for x
    x = 1,159,987,350,830,911.50/38,973,623.70
  6. Step 6: Final answer
    x = 29,763,394.85

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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.