Home / 18,979,565.63-28,463,460.28-6,847,451.91

Finding the Fourth Proportional to 18,979,565.63, 28,463,460.28 and 6,847,451.91

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Solution

The fourth proportional to 18,979,565.63, 28,463,460.28 and 6,847,451.91 is: 10,269,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,565.63 : 28,463,460.28 = 6,847,451.91 : x
  2. Step 2: Convert to fraction form
    18,979,565.63/28,463,460.28 = 6,847,451.91/x
  3. Step 3: Cross multiply
    18,979,565.63x = 28,463,460.28 × 6,847,451.91
  4. Step 4: Simplify right side
    18,979,565.63x = 194,902,175,442,376.50
  5. Step 5: Solve for x
    x = 194,902,175,442,376.50/18,979,565.63
  6. Step 6: Final answer
    x = 10,269,053.53

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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.