Home / 20,122,697.38-30,183,402.51-8,457,249.10

Finding the Fourth Proportional to 20,122,697.38, 30,183,402.51 and 8,457,249.10

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Solution

The fourth proportional to 20,122,697.38, 30,183,402.51 and 8,457,249.10 is: 12,685,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,697.38 : 30,183,402.51 = 8,457,249.10 : x
  2. Step 2: Convert to fraction form
    20,122,697.38/30,183,402.51 = 8,457,249.10/x
  3. Step 3: Cross multiply
    20,122,697.38x = 30,183,402.51 × 8,457,249.10
  4. Step 4: Simplify right side
    20,122,697.38x = 255,268,553,712,635.25
  5. Step 5: Solve for x
    x = 255,268,553,712,635.25/20,122,697.38
  6. Step 6: Final answer
    x = 12,685,603.17

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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.