Home / 12,777,880.68-17,631,395.51-7,550,161.95

Finding the Fourth Proportional to 12,777,880.68, 17,631,395.51 and 7,550,161.95

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Solution

The fourth proportional to 12,777,880.68, 17,631,395.51 and 7,550,161.95 is: 10,417,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,880.68 : 17,631,395.51 = 7,550,161.95 : x
  2. Step 2: Convert to fraction form
    12,777,880.68/17,631,395.51 = 7,550,161.95/x
  3. Step 3: Cross multiply
    12,777,880.68x = 17,631,395.51 × 7,550,161.95
  4. Step 4: Simplify right side
    12,777,880.68x = 133,119,891,467,252.03
  5. Step 5: Solve for x
    x = 133,119,891,467,252.03/12,777,880.68
  6. Step 6: Final answer
    x = 10,417,994.56

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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.