Home / 14,705,346.64-20,291,956.70-8,509,157.38

Finding the Fourth Proportional to 14,705,346.64, 20,291,956.70 and 8,509,157.38

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Solution

The fourth proportional to 14,705,346.64, 20,291,956.70 and 8,509,157.38 is: 11,741,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705,346.64 : 20,291,956.70 = 8,509,157.38 : x
  2. Step 2: Convert to fraction form
    14,705,346.64/20,291,956.70 = 8,509,157.38/x
  3. Step 3: Cross multiply
    14,705,346.64x = 20,291,956.70 × 8,509,157.38
  4. Step 4: Simplify right side
    14,705,346.64x = 172,667,453,108,445.47
  5. Step 5: Solve for x
    x = 172,667,453,108,445.47/14,705,346.64
  6. Step 6: Final answer
    x = 11,741,814.55

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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.