Home / 20,220,528.60-30,330,792.90-11,245,080.60

Finding the Fourth Proportional to 20,220,528.60, 30,330,792.90 and 11,245,080.60

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Solution

The fourth proportional to 20,220,528.60, 30,330,792.90 and 11,245,080.60 is: 16,867,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,528.60 : 30,330,792.90 = 11,245,080.60 : x
  2. Step 2: Convert to fraction form
    20,220,528.60/30,330,792.90 = 11,245,080.60/x
  3. Step 3: Cross multiply
    20,220,528.60x = 30,330,792.90 × 11,245,080.60
  4. Step 4: Simplify right side
    20,220,528.60x = 341,072,210,822,407.69
  5. Step 5: Solve for x
    x = 341,072,210,822,407.69/20,220,528.60
  6. Step 6: Final answer
    x = 16,867,620.90

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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.