Home / 12,175,829.52-16,794,552.24-7,830,412.80

Finding the Fourth Proportional to 12,175,829.52, 16,794,552.24 and 7,830,412.80

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Solution

The fourth proportional to 12,175,829.52, 16,794,552.24 and 7,830,412.80 is: 10,800,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175,829.52 : 16,794,552.24 = 7,830,412.80 : x
  2. Step 2: Convert to fraction form
    12,175,829.52/16,794,552.24 = 7,830,412.80/x
  3. Step 3: Cross multiply
    12,175,829.52x = 16,794,552.24 × 7,830,412.80
  4. Step 4: Simplify right side
    12,175,829.52x = 131,508,276,830,364.66
  5. Step 5: Solve for x
    x = 131,508,276,830,364.66/12,175,829.52
  6. Step 6: Final answer
    x = 10,800,765.29

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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.