Home / 12,311,731.68-18,469,582-3,792,064.16

Finding the Fourth Proportional to 12,311,731.68, 18,469,582 and 3,792,064.16

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Solution

The fourth proportional to 12,311,731.68, 18,469,582 and 3,792,064.16 is: 5,688,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,731.68 : 18,469,582 = 3,792,064.16 : x
  2. Step 2: Convert to fraction form
    12,311,731.68/18,469,582 = 3,792,064.16/x
  3. Step 3: Cross multiply
    12,311,731.68x = 18,469,582 × 3,792,064.16
  4. Step 4: Simplify right side
    12,311,731.68x = 70,037,839,952,381.12
  5. Step 5: Solve for x
    x = 70,037,839,952,381.12/12,311,731.68
  6. Step 6: Final answer
    x = 5,688,707.47

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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.