Home / 21,853,600.42-30,157,177.77-12,063,834.34

Finding the Fourth Proportional to 21,853,600.42, 30,157,177.77 and 12,063,834.34

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Solution

The fourth proportional to 21,853,600.42, 30,157,177.77 and 12,063,834.34 is: 16,647,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,600.42 : 30,157,177.77 = 12,063,834.34 : x
  2. Step 2: Convert to fraction form
    21,853,600.42/30,157,177.77 = 12,063,834.34/x
  3. Step 3: Cross multiply
    21,853,600.42x = 30,157,177.77 × 12,063,834.34
  4. Step 4: Simplify right side
    21,853,600.42x = 363,811,196,779,210.62
  5. Step 5: Solve for x
    x = 363,811,196,779,210.62/21,853,600.42
  6. Step 6: Final answer
    x = 16,647,654.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.