Home / 7,113,488-9,816,613.92-3,894,224

Finding the Fourth Proportional to 7,113,488, 9,816,613.92 and 3,894,224

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Solution

The fourth proportional to 7,113,488, 9,816,613.92 and 3,894,224 is: 5,374,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,488 : 9,816,613.92 = 3,894,224 : x
  2. Step 2: Convert to fraction form
    7,113,488/9,816,613.92 = 3,894,224/x
  3. Step 3: Cross multiply
    7,113,488x = 9,816,613.92 × 3,894,224
  4. Step 4: Simplify right side
    7,113,488x = 38,228,093,525,998.08
  5. Step 5: Solve for x
    x = 38,228,093,525,998.08/7,113,488
  6. Step 6: Final answer
    x = 5,374,029.38

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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.