Home / 21,549,485.60-32,320,081.20-6,403,911.20

Finding the Fourth Proportional to 21,549,485.60, 32,320,081.20 and 6,403,911.20

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Solution

The fourth proportional to 21,549,485.60, 32,320,081.20 and 6,403,911.20 is: 9,604,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,485.60 : 32,320,081.20 = 6,403,911.20 : x
  2. Step 2: Convert to fraction form
    21,549,485.60/32,320,081.20 = 6,403,911.20/x
  3. Step 3: Cross multiply
    21,549,485.60x = 32,320,081.20 × 6,403,911.20
  4. Step 4: Simplify right side
    21,549,485.60x = 206,974,929,981,589.44
  5. Step 5: Solve for x
    x = 206,974,929,981,589.44/21,549,485.60
  6. Step 6: Final answer
    x = 9,604,634.37

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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.