Home / 30,470,276.60-45,704,885.52-12,274,006.62

Finding the Fourth Proportional to 30,470,276.60, 45,704,885.52 and 12,274,006.62

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Solution

The fourth proportional to 30,470,276.60, 45,704,885.52 and 12,274,006.62 is: 18,410,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470,276.60 : 45,704,885.52 = 12,274,006.62 : x
  2. Step 2: Convert to fraction form
    30,470,276.60/45,704,885.52 = 12,274,006.62/x
  3. Step 3: Cross multiply
    30,470,276.60x = 45,704,885.52 × 12,274,006.62
  4. Step 4: Simplify right side
    30,470,276.60x = 560,982,067,438,822.12
  5. Step 5: Solve for x
    x = 560,982,067,438,822.12/30,470,276.60
  6. Step 6: Final answer
    x = 18,410,796.69

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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.