Home / 14,905,451.32-20,569,609.12-8,379,023.64

Finding the Fourth Proportional to 14,905,451.32, 20,569,609.12 and 8,379,023.64

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Solution

The fourth proportional to 14,905,451.32, 20,569,609.12 and 8,379,023.64 is: 11,563,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905,451.32 : 20,569,609.12 = 8,379,023.64 : x
  2. Step 2: Convert to fraction form
    14,905,451.32/20,569,609.12 = 8,379,023.64/x
  3. Step 3: Cross multiply
    14,905,451.32x = 20,569,609.12 × 8,379,023.64
  4. Step 4: Simplify right side
    14,905,451.32x = 172,353,241,082,039.59
  5. Step 5: Solve for x
    x = 172,353,241,082,039.59/14,905,451.32
  6. Step 6: Final answer
    x = 11,563,101.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.