Home / 28,775,320.80-43,126,239.60-11,716,720.80

Finding the Fourth Proportional to 28,775,320.80, 43,126,239.60 and 11,716,720.80

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Solution

The fourth proportional to 28,775,320.80, 43,126,239.60 and 11,716,720.80 is: 17,560,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,320.80 : 43,126,239.60 = 11,716,720.80 : x
  2. Step 2: Convert to fraction form
    28,775,320.80/43,126,239.60 = 11,716,720.80/x
  3. Step 3: Cross multiply
    28,775,320.80x = 43,126,239.60 × 11,716,720.80
  4. Step 4: Simplify right side
    28,775,320.80x = 505,298,108,547,103.75
  5. Step 5: Solve for x
    x = 505,298,108,547,103.75/28,775,320.80
  6. Step 6: Final answer
    x = 17,560,120.77

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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.