Home / 20,230,564.80-30,345,847.20-13,806,033.60

Finding the Fourth Proportional to 20,230,564.80, 30,345,847.20 and 13,806,033.60

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Solution

The fourth proportional to 20,230,564.80, 30,345,847.20 and 13,806,033.60 is: 20,709,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,564.80 : 30,345,847.20 = 13,806,033.60 : x
  2. Step 2: Convert to fraction form
    20,230,564.80/30,345,847.20 = 13,806,033.60/x
  3. Step 3: Cross multiply
    20,230,564.80x = 30,345,847.20 × 13,806,033.60
  4. Step 4: Simplify right side
    20,230,564.80x = 418,955,786,063,665.88
  5. Step 5: Solve for x
    x = 418,955,786,063,665.88/20,230,564.80
  6. Step 6: Final answer
    x = 20,709,050.40

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1.5x scale

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.