Home / 20,213,200.80-30,319,801.20-5,836,737.60

Finding the Fourth Proportional to 20,213,200.80, 30,319,801.20 and 5,836,737.60

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Solution

The fourth proportional to 20,213,200.80, 30,319,801.20 and 5,836,737.60 is: 8,755,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,200.80 : 30,319,801.20 = 5,836,737.60 : x
  2. Step 2: Convert to fraction form
    20,213,200.80/30,319,801.20 = 5,836,737.60/x
  3. Step 3: Cross multiply
    20,213,200.80x = 30,319,801.20 × 5,836,737.60
  4. Step 4: Simplify right side
    20,213,200.80x = 176,968,723,688,565.09
  5. Step 5: Solve for x
    x = 176,968,723,688,565.09/20,213,200.80
  6. Step 6: Final answer
    x = 8,755,106.40

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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.