Home / 10,928,999.70-16,403,413.95-5,541,398.10

Finding the Fourth Proportional to 10,928,999.70, 16,403,413.95 and 5,541,398.10

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Solution

The fourth proportional to 10,928,999.70, 16,403,413.95 and 5,541,398.10 is: 8,317,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,999.70 : 16,403,413.95 = 5,541,398.10 : x
  2. Step 2: Convert to fraction form
    10,928,999.70/16,403,413.95 = 5,541,398.10/x
  3. Step 3: Cross multiply
    10,928,999.70x = 16,403,413.95 × 5,541,398.10
  4. Step 4: Simplify right side
    10,928,999.70x = 90,897,846,896,043.48
  5. Step 5: Solve for x
    x = 90,897,846,896,043.48/10,928,999.70
  6. Step 6: Final answer
    x = 8,317,124.11

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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.