Home / 8,172,751.27-11,278,396.71-4,736,985.21

Finding the Fourth Proportional to 8,172,751.27, 11,278,396.71 and 4,736,985.21

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Solution

The fourth proportional to 8,172,751.27, 11,278,396.71 and 4,736,985.21 is: 6,537,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,751.27 : 11,278,396.71 = 4,736,985.21 : x
  2. Step 2: Convert to fraction form
    8,172,751.27/11,278,396.71 = 4,736,985.21/x
  3. Step 3: Cross multiply
    8,172,751.27x = 11,278,396.71 × 4,736,985.21
  4. Step 4: Simplify right side
    8,172,751.27x = 53,425,598,407,782.66
  5. Step 5: Solve for x
    x = 53,425,598,407,782.66/8,172,751.27
  6. Step 6: Final answer
    x = 6,537,039.57

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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.