Home / 8,929,106.57-13,394,990.76-3,171,356.48

Finding the Fourth Proportional to 8,929,106.57, 13,394,990.76 and 3,171,356.48

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Solution

The fourth proportional to 8,929,106.57, 13,394,990.76 and 3,171,356.48 is: 4,757,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929,106.57 : 13,394,990.76 = 3,171,356.48 : x
  2. Step 2: Convert to fraction form
    8,929,106.57/13,394,990.76 = 3,171,356.48/x
  3. Step 3: Cross multiply
    8,929,106.57x = 13,394,990.76 × 3,171,356.48
  4. Step 4: Simplify right side
    8,929,106.57x = 42,480,290,679,291.17
  5. Step 5: Solve for x
    x = 42,480,290,679,291.17/8,929,106.57
  6. Step 6: Final answer
    x = 4,757,507.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.