Home / 10,135,802.21-13,987,632.92-5,784,801.21

Finding the Fourth Proportional to 10,135,802.21, 13,987,632.92 and 5,784,801.21

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Solution

The fourth proportional to 10,135,802.21, 13,987,632.92 and 5,784,801.21 is: 7,983,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135,802.21 : 13,987,632.92 = 5,784,801.21 : x
  2. Step 2: Convert to fraction form
    10,135,802.21/13,987,632.92 = 5,784,801.21/x
  3. Step 3: Cross multiply
    10,135,802.21x = 13,987,632.92 × 5,784,801.21
  4. Step 4: Simplify right side
    10,135,802.21x = 80,915,675,811,727.83
  5. Step 5: Solve for x
    x = 80,915,675,811,727.83/10,135,802.21
  6. Step 6: Final answer
    x = 7,983,154.58

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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.