Home / 25,647,795.60-38,387,712.60-19,937,101.20

Finding the Fourth Proportional to 25,647,795.60, 38,387,712.60 and 19,937,101.20

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Solution

The fourth proportional to 25,647,795.60, 38,387,712.60 and 19,937,101.20 is: 29,840,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647,795.60 : 38,387,712.60 = 19,937,101.20 : x
  2. Step 2: Convert to fraction form
    25,647,795.60/38,387,712.60 = 19,937,101.20/x
  3. Step 3: Cross multiply
    25,647,795.60x = 38,387,712.60 × 19,937,101.20
  4. Step 4: Simplify right side
    25,647,795.60x = 765,339,710,942,715.12
  5. Step 5: Solve for x
    x = 765,339,710,942,715.12/25,647,795.60
  6. Step 6: Final answer
    x = 29,840,370.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.