Home / 14,609,068.32-20,161,629.36-8,416,028.64

Finding the Fourth Proportional to 14,609,068.32, 20,161,629.36 and 8,416,028.64

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Solution

The fourth proportional to 14,609,068.32, 20,161,629.36 and 8,416,028.64 is: 11,614,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609,068.32 : 20,161,629.36 = 8,416,028.64 : x
  2. Step 2: Convert to fraction form
    14,609,068.32/20,161,629.36 = 8,416,028.64/x
  3. Step 3: Cross multiply
    14,609,068.32x = 20,161,629.36 × 8,416,028.64
  4. Step 4: Simplify right side
    14,609,068.32x = 169,680,850,122,824.88
  5. Step 5: Solve for x
    x = 169,680,850,122,824.88/14,609,068.32
  6. Step 6: Final answer
    x = 11,614,761.90

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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.