Home / 52,489,524.84-78,769,429-21,784,129.80

Finding the Fourth Proportional to 52,489,524.84, 78,769,429 and 21,784,129.80

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Solution

The fourth proportional to 52,489,524.84, 78,769,429 and 21,784,129.80 is: 32,690,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489,524.84 : 78,769,429 = 21,784,129.80 : x
  2. Step 2: Convert to fraction form
    52,489,524.84/78,769,429 = 21,784,129.80/x
  3. Step 3: Cross multiply
    52,489,524.84x = 78,769,429 × 21,784,129.80
  4. Step 4: Simplify right side
    52,489,524.84x = 1,715,923,465,607,884.25
  5. Step 5: Solve for x
    x = 1,715,923,465,607,884.25/52,489,524.84
  6. Step 6: Final answer
    x = 32,690,779.18

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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.