Home / 56,806,484.80-85,209,727.20-18,469,249.60

Finding the Fourth Proportional to 56,806,484.80, 85,209,727.20 and 18,469,249.60

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Solution

The fourth proportional to 56,806,484.80, 85,209,727.20 and 18,469,249.60 is: 27,703,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,484.80 : 85,209,727.20 = 18,469,249.60 : x
  2. Step 2: Convert to fraction form
    56,806,484.80/85,209,727.20 = 18,469,249.60/x
  3. Step 3: Cross multiply
    56,806,484.80x = 85,209,727.20 × 18,469,249.60
  4. Step 4: Simplify right side
    56,806,484.80x = 1,573,759,720,004,709.25
  5. Step 5: Solve for x
    x = 1,573,759,720,004,709.25/56,806,484.80
  6. Step 6: Final answer
    x = 27,703,874.40

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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.