Home / 21,557,546.80-32,359,939.80-13,479,643.60

Finding the Fourth Proportional to 21,557,546.80, 32,359,939.80 and 13,479,643.60

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Solution

The fourth proportional to 21,557,546.80, 32,359,939.80 and 13,479,643.60 is: 20,234,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,546.80 : 32,359,939.80 = 13,479,643.60 : x
  2. Step 2: Convert to fraction form
    21,557,546.80/32,359,939.80 = 13,479,643.60/x
  3. Step 3: Cross multiply
    21,557,546.80x = 32,359,939.80 × 13,479,643.60
  4. Step 4: Simplify right side
    21,557,546.80x = 436,200,455,421,455.25
  5. Step 5: Solve for x
    x = 436,200,455,421,455.25/21,557,546.80
  6. Step 6: Final answer
    x = 20,234,234.42

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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.