Home / 7,218,824-9,961,028.16-4,317,154.88

Finding the Fourth Proportional to 7,218,824, 9,961,028.16 and 4,317,154.88

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Solution

The fourth proportional to 7,218,824, 9,961,028.16 and 4,317,154.88 is: 5,957,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,824 : 9,961,028.16 = 4,317,154.88 : x
  2. Step 2: Convert to fraction form
    7,218,824/9,961,028.16 = 4,317,154.88/x
  3. Step 3: Cross multiply
    7,218,824x = 9,961,028.16 × 4,317,154.88
  4. Step 4: Simplify right side
    7,218,824x = 43,003,301,330,761.42
  5. Step 5: Solve for x
    x = 43,003,301,330,761.42/7,218,824
  6. Step 6: Final answer
    x = 5,957,106.22

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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.