Home / 12,426,130.68-18,640,273.44-3,792,175.14

Finding the Fourth Proportional to 12,426,130.68, 18,640,273.44 and 3,792,175.14

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Solution

The fourth proportional to 12,426,130.68, 18,640,273.44 and 3,792,175.14 is: 5,688,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,130.68 : 18,640,273.44 = 3,792,175.14 : x
  2. Step 2: Convert to fraction form
    12,426,130.68/18,640,273.44 = 3,792,175.14/x
  3. Step 3: Cross multiply
    12,426,130.68x = 18,640,273.44 × 3,792,175.14
  4. Step 4: Simplify right side
    12,426,130.68x = 70,687,181,541,970.30
  5. Step 5: Solve for x
    x = 70,687,181,541,970.30/12,426,130.68
  6. Step 6: Final answer
    x = 5,688,591.51

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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.