Home / 20,564,157.40-30,840,018.54-6,183,407.68

Finding the Fourth Proportional to 20,564,157.40, 30,840,018.54 and 6,183,407.68

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Solution

The fourth proportional to 20,564,157.40, 30,840,018.54 and 6,183,407.68 is: 9,273,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564,157.40 : 30,840,018.54 = 6,183,407.68 : x
  2. Step 2: Convert to fraction form
    20,564,157.40/30,840,018.54 = 6,183,407.68/x
  3. Step 3: Cross multiply
    20,564,157.40x = 30,840,018.54 × 6,183,407.68
  4. Step 4: Simplify right side
    20,564,157.40x = 190,696,407,491,578.38
  5. Step 5: Solve for x
    x = 190,696,407,491,578.38/20,564,157.40
  6. Step 6: Final answer
    x = 9,273,241.97

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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.