Home / 20,697,023.60-31,045,535.40-20,361,100.40

Finding the Fourth Proportional to 20,697,023.60, 31,045,535.40 and 20,361,100.40

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Solution

The fourth proportional to 20,697,023.60, 31,045,535.40 and 20,361,100.40 is: 30,541,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,023.60 : 31,045,535.40 = 20,361,100.40 : x
  2. Step 2: Convert to fraction form
    20,697,023.60/31,045,535.40 = 20,361,100.40/x
  3. Step 3: Cross multiply
    20,697,023.60x = 31,045,535.40 × 20,361,100.40
  4. Step 4: Simplify right side
    20,697,023.60x = 632,121,263,251,154.12
  5. Step 5: Solve for x
    x = 632,121,263,251,154.12/20,697,023.60
  6. Step 6: Final answer
    x = 30,541,650.60

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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.