Home / 19,217,429.20-26,520,647.16-10,515,968.56

Finding the Fourth Proportional to 19,217,429.20, 26,520,647.16 and 10,515,968.56

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Solution

The fourth proportional to 19,217,429.20, 26,520,647.16 and 10,515,968.56 is: 14,512,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217,429.20 : 26,520,647.16 = 10,515,968.56 : x
  2. Step 2: Convert to fraction form
    19,217,429.20/26,520,647.16 = 10,515,968.56/x
  3. Step 3: Cross multiply
    19,217,429.20x = 26,520,647.16 × 10,515,968.56
  4. Step 4: Simplify right side
    19,217,429.20x = 278,890,291,725,413.31
  5. Step 5: Solve for x
    x = 278,890,291,725,413.31/19,217,429.20
  6. Step 6: Final answer
    x = 14,512,362.13

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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.