Home / 19,102,481.20-28,653,721.80-17,012,292.40

Finding the Fourth Proportional to 19,102,481.20, 28,653,721.80 and 17,012,292.40

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Solution

The fourth proportional to 19,102,481.20, 28,653,721.80 and 17,012,292.40 is: 25,518,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102,481.20 : 28,653,721.80 = 17,012,292.40 : x
  2. Step 2: Convert to fraction form
    19,102,481.20/28,653,721.80 = 17,012,292.40/x
  3. Step 3: Cross multiply
    19,102,481.20x = 28,653,721.80 × 17,012,292.40
  4. Step 4: Simplify right side
    19,102,481.20x = 487,465,493,609,854.31
  5. Step 5: Solve for x
    x = 487,465,493,609,854.31/19,102,481.20
  6. Step 6: Final answer
    x = 25,518,438.60

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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.