Home / 51,015,856.80-76,524,368.40-12,677,455.20

Finding the Fourth Proportional to 51,015,856.80, 76,524,368.40 and 12,677,455.20

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Solution

The fourth proportional to 51,015,856.80, 76,524,368.40 and 12,677,455.20 is: 19,016,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015,856.80 : 76,524,368.40 = 12,677,455.20 : x
  2. Step 2: Convert to fraction form
    51,015,856.80/76,524,368.40 = 12,677,455.20/x
  3. Step 3: Cross multiply
    51,015,856.80x = 76,524,368.40 × 12,677,455.20
  4. Step 4: Simplify right side
    51,015,856.80x = 970,134,252,099,295.75
  5. Step 5: Solve for x
    x = 970,134,252,099,295.75/51,015,856.80
  6. Step 6: Final answer
    x = 19,016,327.73

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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.