Home / 13,683,503.08-18,882,951.78-7,571,928.04

Finding the Fourth Proportional to 13,683,503.08, 18,882,951.78 and 7,571,928.04

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Solution

The fourth proportional to 13,683,503.08, 18,882,951.78 and 7,571,928.04 is: 10,449,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,503.08 : 18,882,951.78 = 7,571,928.04 : x
  2. Step 2: Convert to fraction form
    13,683,503.08/18,882,951.78 = 7,571,928.04/x
  3. Step 3: Cross multiply
    13,683,503.08x = 18,882,951.78 × 7,571,928.04
  4. Step 4: Simplify right side
    13,683,503.08x = 142,980,352,060,949.91
  5. Step 5: Solve for x
    x = 142,980,352,060,949.91/13,683,503.08
  6. Step 6: Final answer
    x = 10,449,104.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.