Home / 7,891,563.84-11,830,347.36-3,845,788.80

Finding the Fourth Proportional to 7,891,563.84, 11,830,347.36 and 3,845,788.80

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Solution

The fourth proportional to 7,891,563.84, 11,830,347.36 and 3,845,788.80 is: 5,765,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,563.84 : 11,830,347.36 = 3,845,788.80 : x
  2. Step 2: Convert to fraction form
    7,891,563.84/11,830,347.36 = 3,845,788.80/x
  3. Step 3: Cross multiply
    7,891,563.84x = 11,830,347.36 × 3,845,788.80
  4. Step 4: Simplify right side
    7,891,563.84x = 45,497,017,377,197.56
  5. Step 5: Solve for x
    x = 45,497,017,377,197.56/7,891,563.84
  6. Step 6: Final answer
    x = 5,765,272.68

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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.