Home / 51,991,071.04-71,749,919.46-28,786,197.82

Finding the Fourth Proportional to 51,991,071.04, 71,749,919.46 and 28,786,197.82

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Solution

The fourth proportional to 51,991,071.04, 71,749,919.46 and 28,786,197.82 is: 39,726,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,071.04 : 71,749,919.46 = 28,786,197.82 : x
  2. Step 2: Convert to fraction form
    51,991,071.04/71,749,919.46 = 28,786,197.82/x
  3. Step 3: Cross multiply
    51,991,071.04x = 71,749,919.46 × 28,786,197.82
  4. Step 4: Simplify right side
    51,991,071.04x = 2,065,407,375,144,627.50
  5. Step 5: Solve for x
    x = 2,065,407,375,144,627.50/51,991,071.04
  6. Step 6: Final answer
    x = 39,726,194.01

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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.