Home / 38,229,236.40-52,756,323-21,059,828.40

Finding the Fourth Proportional to 38,229,236.40, 52,756,323 and 21,059,828.40

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Solution

The fourth proportional to 38,229,236.40, 52,756,323 and 21,059,828.40 is: 29,062,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229,236.40 : 52,756,323 = 21,059,828.40 : x
  2. Step 2: Convert to fraction form
    38,229,236.40/52,756,323 = 21,059,828.40/x
  3. Step 3: Cross multiply
    38,229,236.40x = 52,756,323 × 21,059,828.40
  4. Step 4: Simplify right side
    38,229,236.40x = 1,111,039,109,394,973.12
  5. Step 5: Solve for x
    x = 1,111,039,109,394,973.12/38,229,236.40
  6. Step 6: Final answer
    x = 29,062,550.39

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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.