Home / 10,282,672.70-15,424,009.05-5,243,824.70

Finding the Fourth Proportional to 10,282,672.70, 15,424,009.05 and 5,243,824.70

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Solution

The fourth proportional to 10,282,672.70, 15,424,009.05 and 5,243,824.70 is: 7,865,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,672.70 : 15,424,009.05 = 5,243,824.70 : x
  2. Step 2: Convert to fraction form
    10,282,672.70/15,424,009.05 = 5,243,824.70/x
  3. Step 3: Cross multiply
    10,282,672.70x = 15,424,009.05 × 5,243,824.70
  4. Step 4: Simplify right side
    10,282,672.70x = 80,880,799,629,413.55
  5. Step 5: Solve for x
    x = 80,880,799,629,413.55/10,282,672.70
  6. Step 6: Final answer
    x = 7,865,737.05

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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.