Home / 7,111,636.80-9,814,058.80-3,848,451.53

Finding the Fourth Proportional to 7,111,636.80, 9,814,058.80 and 3,848,451.53

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Solution

The fourth proportional to 7,111,636.80, 9,814,058.80 and 3,848,451.53 is: 5,310,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,636.80 : 9,814,058.80 = 3,848,451.53 : x
  2. Step 2: Convert to fraction form
    7,111,636.80/9,814,058.80 = 3,848,451.53/x
  3. Step 3: Cross multiply
    7,111,636.80x = 9,814,058.80 × 3,848,451.53
  4. Step 4: Simplify right side
    7,111,636.80x = 37,768,929,585,127.70
  5. Step 5: Solve for x
    x = 37,768,929,585,127.70/7,111,636.80
  6. Step 6: Final answer
    x = 5,310,863.12

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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.