Home / 18,979,619.84-28,463,541.42-6,847,506.08

Finding the Fourth Proportional to 18,979,619.84, 28,463,541.42 and 6,847,506.08

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Solution

The fourth proportional to 18,979,619.84, 28,463,541.42 and 6,847,506.08 is: 10,269,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,619.84 : 28,463,541.42 = 6,847,506.08 : x
  2. Step 2: Convert to fraction form
    18,979,619.84/28,463,541.42 = 6,847,506.08/x
  3. Step 3: Cross multiply
    18,979,619.84x = 28,463,541.42 × 6,847,506.08
  4. Step 4: Simplify right side
    18,979,619.84x = 194,904,272,931,781.84
  5. Step 5: Solve for x
    x = 194,904,272,931,781.84/18,979,619.84
  6. Step 6: Final answer
    x = 10,269,134.71

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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.