Home / 7,138,969.27-9,842,262.40-5,673,770.39

Finding the Fourth Proportional to 7,138,969.27, 9,842,262.40 and 5,673,770.39

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Solution

The fourth proportional to 7,138,969.27, 9,842,262.40 and 5,673,770.39 is: 7,822,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,969.27 : 9,842,262.40 = 5,673,770.39 : x
  2. Step 2: Convert to fraction form
    7,138,969.27/9,842,262.40 = 5,673,770.39/x
  3. Step 3: Cross multiply
    7,138,969.27x = 9,842,262.40 × 5,673,770.39
  4. Step 4: Simplify right side
    7,138,969.27x = 55,842,736,986,151.57
  5. Step 5: Solve for x
    x = 55,842,736,986,151.57/7,138,969.27
  6. Step 6: Final answer
    x = 7,822,240.84

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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.