Home / 38,687,952.72-53,389,374.40-21,283,924.44

Finding the Fourth Proportional to 38,687,952.72, 53,389,374.40 and 21,283,924.44

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Solution

The fourth proportional to 38,687,952.72, 53,389,374.40 and 21,283,924.44 is: 29,371,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687,952.72 : 53,389,374.40 = 21,283,924.44 : x
  2. Step 2: Convert to fraction form
    38,687,952.72/53,389,374.40 = 21,283,924.44/x
  3. Step 3: Cross multiply
    38,687,952.72x = 53,389,374.40 × 21,283,924.44
  4. Step 4: Simplify right side
    38,687,952.72x = 1,136,335,410,628,470.50
  5. Step 5: Solve for x
    x = 1,136,335,410,628,470.50/38,687,952.72
  6. Step 6: Final answer
    x = 29,371,815.53

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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.