Home / 12,543,421.84-18,812,963.39-3,321,527.01

Finding the Fourth Proportional to 12,543,421.84, 18,812,963.39 and 3,321,527.01

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Solution

The fourth proportional to 12,543,421.84, 18,812,963.39 and 3,321,527.01 is: 4,981,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,421.84 : 18,812,963.39 = 3,321,527.01 : x
  2. Step 2: Convert to fraction form
    12,543,421.84/18,812,963.39 = 3,321,527.01/x
  3. Step 3: Cross multiply
    12,543,421.84x = 18,812,963.39 × 3,321,527.01
  4. Step 4: Simplify right side
    12,543,421.84x = 62,487,766,039,802.93
  5. Step 5: Solve for x
    x = 62,487,766,039,802.93/12,543,421.84
  6. Step 6: Final answer
    x = 4,981,716.06

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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.