Home / 12,762,956.20-19,146,183.90-4,242,404.20

Finding the Fourth Proportional to 12,762,956.20, 19,146,183.90 and 4,242,404.20

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Solution

The fourth proportional to 12,762,956.20, 19,146,183.90 and 4,242,404.20 is: 6,364,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,956.20 : 19,146,183.90 = 4,242,404.20 : x
  2. Step 2: Convert to fraction form
    12,762,956.20/19,146,183.90 = 4,242,404.20/x
  3. Step 3: Cross multiply
    12,762,956.20x = 19,146,183.90 × 4,242,404.20
  4. Step 4: Simplify right side
    12,762,956.20x = 81,225,850,991,332.38
  5. Step 5: Solve for x
    x = 81,225,850,991,332.38/12,762,956.20
  6. Step 6: Final answer
    x = 6,364,187.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.