Home / 20,749,331.20-31,068,009.60-20,749,331.20

Finding the Fourth Proportional to 20,749,331.20, 31,068,009.60 and 20,749,331.20

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Solution

The fourth proportional to 20,749,331.20, 31,068,009.60 and 20,749,331.20 is: 31,068,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749,331.20 : 31,068,009.60 = 20,749,331.20 : x
  2. Step 2: Convert to fraction form
    20,749,331.20/31,068,009.60 = 20,749,331.20/x
  3. Step 3: Cross multiply
    20,749,331.20x = 31,068,009.60 × 20,749,331.20
  4. Step 4: Simplify right side
    20,749,331.20x = 644,640,420,915,179.50
  5. Step 5: Solve for x
    x = 644,640,420,915,179.50/20,749,331.20
  6. Step 6: Final answer
    x = 31,068,009.60

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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.