Home / 37,787,418.54-52,144,959.96-21,043,021.68

Finding the Fourth Proportional to 37,787,418.54, 52,144,959.96 and 21,043,021.68

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Solution

The fourth proportional to 37,787,418.54, 52,144,959.96 and 21,043,021.68 is: 29,038,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787,418.54 : 52,144,959.96 = 21,043,021.68 : x
  2. Step 2: Convert to fraction form
    37,787,418.54/52,144,959.96 = 21,043,021.68/x
  3. Step 3: Cross multiply
    37,787,418.54x = 52,144,959.96 × 21,043,021.68
  4. Step 4: Simplify right side
    37,787,418.54x = 1,097,287,522,941,011.88
  5. Step 5: Solve for x
    x = 1,097,287,522,941,011.88/37,787,418.54
  6. Step 6: Final answer
    x = 29,038,435.68

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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.