Home / 10,913,894.87-16,366,089.83-3,131,092.13

Finding the Fourth Proportional to 10,913,894.87, 16,366,089.83 and 3,131,092.13

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Solution

The fourth proportional to 10,913,894.87, 16,366,089.83 and 3,131,092.13 is: 4,695,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913,894.87 : 16,366,089.83 = 3,131,092.13 : x
  2. Step 2: Convert to fraction form
    10,913,894.87/16,366,089.83 = 3,131,092.13/x
  3. Step 3: Cross multiply
    10,913,894.87x = 16,366,089.83 × 3,131,092.13
  4. Step 4: Simplify right side
    10,913,894.87x = 51,243,734,968,100.12
  5. Step 5: Solve for x
    x = 51,243,734,968,100.12/10,913,894.87
  6. Step 6: Final answer
    x = 4,695,274.75

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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.