Home / 21,451,645.60-32,177,468.40-19,286,807.20

Finding the Fourth Proportional to 21,451,645.60, 32,177,468.40 and 19,286,807.20

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Solution

The fourth proportional to 21,451,645.60, 32,177,468.40 and 19,286,807.20 is: 28,930,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451,645.60 : 32,177,468.40 = 19,286,807.20 : x
  2. Step 2: Convert to fraction form
    21,451,645.60/32,177,468.40 = 19,286,807.20/x
  3. Step 3: Cross multiply
    21,451,645.60x = 32,177,468.40 × 19,286,807.20
  4. Step 4: Simplify right side
    21,451,645.60x = 620,600,629,214,892.38
  5. Step 5: Solve for x
    x = 620,600,629,214,892.38/21,451,645.60
  6. Step 6: Final answer
    x = 28,930,210.80

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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.