Home / 21,557,453.60-32,336,180.40-18,723,101.60

Finding the Fourth Proportional to 21,557,453.60, 32,336,180.40 and 18,723,101.60

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Solution

The fourth proportional to 21,557,453.60, 32,336,180.40 and 18,723,101.60 is: 28,084,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,453.60 : 32,336,180.40 = 18,723,101.60 : x
  2. Step 2: Convert to fraction form
    21,557,453.60/32,336,180.40 = 18,723,101.60/x
  3. Step 3: Cross multiply
    21,557,453.60x = 32,336,180.40 × 18,723,101.60
  4. Step 4: Simplify right side
    21,557,453.60x = 605,433,590,985,128.62
  5. Step 5: Solve for x
    x = 605,433,590,985,128.62/21,557,453.60
  6. Step 6: Final answer
    x = 28,084,652.40

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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.