Home / 20,168,230.05-30,243,422.12-5,787,961.47

Finding the Fourth Proportional to 20,168,230.05, 30,243,422.12 and 5,787,961.47

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Solution

The fourth proportional to 20,168,230.05, 30,243,422.12 and 5,787,961.47 is: 8,679,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,230.05 : 30,243,422.12 = 5,787,961.47 : x
  2. Step 2: Convert to fraction form
    20,168,230.05/30,243,422.12 = 5,787,961.47/x
  3. Step 3: Cross multiply
    20,168,230.05x = 30,243,422.12 × 5,787,961.47
  4. Step 4: Simplify right side
    20,168,230.05x = 175,047,761,922,565.91
  5. Step 5: Solve for x
    x = 175,047,761,922,565.91/20,168,230.05
  6. Step 6: Final answer
    x = 8,679,381.46

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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.