Home / 7,658,617.84-10,568,857.96-4,220,851.44

Finding the Fourth Proportional to 7,658,617.84, 10,568,857.96 and 4,220,851.44

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Solution

The fourth proportional to 7,658,617.84, 10,568,857.96 and 4,220,851.44 is: 5,824,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,617.84 : 10,568,857.96 = 4,220,851.44 : x
  2. Step 2: Convert to fraction form
    7,658,617.84/10,568,857.96 = 4,220,851.44/x
  3. Step 3: Cross multiply
    7,658,617.84x = 10,568,857.96 × 4,220,851.44
  4. Step 4: Simplify right side
    7,658,617.84x = 44,609,579,339,621.47
  5. Step 5: Solve for x
    x = 44,609,579,339,621.47/7,658,617.84
  6. Step 6: Final answer
    x = 5,824,755.89

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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.