Home / 20,393,938.10-30,626,336.55-10,828,000.10

Finding the Fourth Proportional to 20,393,938.10, 30,626,336.55 and 10,828,000.10

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Solution

The fourth proportional to 20,393,938.10, 30,626,336.55 and 10,828,000.10 is: 16,260,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,938.10 : 30,626,336.55 = 10,828,000.10 : x
  2. Step 2: Convert to fraction form
    20,393,938.10/30,626,336.55 = 10,828,000.10/x
  3. Step 3: Cross multiply
    20,393,938.10x = 30,626,336.55 × 10,828,000.10
  4. Step 4: Simplify right side
    20,393,938.10x = 331,621,975,226,033.62
  5. Step 5: Solve for x
    x = 331,621,975,226,033.62/20,393,938.10
  6. Step 6: Final answer
    x = 16,260,811.11

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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.