Home / 21,519,035.51-32,259,441.92-8,385,412.52

Finding the Fourth Proportional to 21,519,035.51, 32,259,441.92 and 8,385,412.52

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Solution

The fourth proportional to 21,519,035.51, 32,259,441.92 and 8,385,412.52 is: 12,570,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,035.51 : 32,259,441.92 = 8,385,412.52 : x
  2. Step 2: Convert to fraction form
    21,519,035.51/32,259,441.92 = 8,385,412.52/x
  3. Step 3: Cross multiply
    21,519,035.51x = 32,259,441.92 × 8,385,412.52
  4. Step 4: Simplify right side
    21,519,035.51x = 270,508,728,023,847.16
  5. Step 5: Solve for x
    x = 270,508,728,023,847.16/21,519,035.51
  6. Step 6: Final answer
    x = 12,570,671.58

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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.