Home / 10,465,983.20-15,698,974.80-9,835,608.80

Finding the Fourth Proportional to 10,465,983.20, 15,698,974.80 and 9,835,608.80

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Solution

The fourth proportional to 10,465,983.20, 15,698,974.80 and 9,835,608.80 is: 14,753,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465,983.20 : 15,698,974.80 = 9,835,608.80 : x
  2. Step 2: Convert to fraction form
    10,465,983.20/15,698,974.80 = 9,835,608.80/x
  3. Step 3: Cross multiply
    10,465,983.20x = 15,698,974.80 × 9,835,608.80
  4. Step 4: Simplify right side
    10,465,983.20x = 154,408,974,693,858.25
  5. Step 5: Solve for x
    x = 154,408,974,693,858.25/10,465,983.20
  6. Step 6: Final answer
    x = 14,753,413.20

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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.