Home / 10,552,426.80-15,828,640.20-8,160,942.30

Finding the Fourth Proportional to 10,552,426.80, 15,828,640.20 and 8,160,942.30

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Solution

The fourth proportional to 10,552,426.80, 15,828,640.20 and 8,160,942.30 is: 12,241,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552,426.80 : 15,828,640.20 = 8,160,942.30 : x
  2. Step 2: Convert to fraction form
    10,552,426.80/15,828,640.20 = 8,160,942.30/x
  3. Step 3: Cross multiply
    10,552,426.80x = 15,828,640.20 × 8,160,942.30
  4. Step 4: Simplify right side
    10,552,426.80x = 129,176,619,359,660.45
  5. Step 5: Solve for x
    x = 129,176,619,359,660.45/10,552,426.80
  6. Step 6: Final answer
    x = 12,241,413.45

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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.