Home / 13,460,880.84-20,196,409-5,269,376.66

Finding the Fourth Proportional to 13,460,880.84, 20,196,409 and 5,269,376.66

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Solution

The fourth proportional to 13,460,880.84, 20,196,409 and 5,269,376.66 is: 7,906,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,880.84 : 20,196,409 = 5,269,376.66 : x
  2. Step 2: Convert to fraction form
    13,460,880.84/20,196,409 = 5,269,376.66/x
  3. Step 3: Cross multiply
    13,460,880.84x = 20,196,409 × 5,269,376.66
  4. Step 4: Simplify right side
    13,460,880.84x = 106,422,486,200,413.94
  5. Step 5: Solve for x
    x = 106,422,486,200,413.94/13,460,880.84
  6. Step 6: Final answer
    x = 7,906,056.63

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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.