Home / 38,594,584.50-53,261,288.34-21,190,777.49

Finding the Fourth Proportional to 38,594,584.50, 53,261,288.34 and 21,190,777.49

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Solution

The fourth proportional to 38,594,584.50, 53,261,288.34 and 21,190,777.49 is: 29,243,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,594,584.50 : 53,261,288.34 = 21,190,777.49 : x
  2. Step 2: Convert to fraction form
    38,594,584.50/53,261,288.34 = 21,190,777.49/x
  3. Step 3: Cross multiply
    38,594,584.50x = 53,261,288.34 × 21,190,777.49
  4. Step 4: Simplify right side
    38,594,584.50x = 1,128,648,109,976,583.25
  5. Step 5: Solve for x
    x = 1,128,648,109,976,583.25/38,594,584.50
  6. Step 6: Final answer
    x = 29,243,691.17

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1.5x scale

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.