Home / 12,777,078.71-17,632,276.43-6,975,860.43

Finding the Fourth Proportional to 12,777,078.71, 17,632,276.43 and 6,975,860.43

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Solution

The fourth proportional to 12,777,078.71, 17,632,276.43 and 6,975,860.43 is: 9,626,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,078.71 : 17,632,276.43 = 6,975,860.43 : x
  2. Step 2: Convert to fraction form
    12,777,078.71/17,632,276.43 = 6,975,860.43/x
  3. Step 3: Cross multiply
    12,777,078.71x = 17,632,276.43 × 6,975,860.43
  4. Step 4: Simplify right side
    12,777,078.71x = 123,000,299,470,100.41
  5. Step 5: Solve for x
    x = 123,000,299,470,100.41/12,777,078.71
  6. Step 6: Final answer
    x = 9,626,637.06

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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.