Home / 16,648,628.40-24,972,942.60-12,864,826.80

Finding the Fourth Proportional to 16,648,628.40, 24,972,942.60 and 12,864,826.80

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Solution

The fourth proportional to 16,648,628.40, 24,972,942.60 and 12,864,826.80 is: 19,297,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,648,628.40 : 24,972,942.60 = 12,864,826.80 : x
  2. Step 2: Convert to fraction form
    16,648,628.40/24,972,942.60 = 12,864,826.80/x
  3. Step 3: Cross multiply
    16,648,628.40x = 24,972,942.60 × 12,864,826.80
  4. Step 4: Simplify right side
    16,648,628.40x = 321,272,581,235,341.69
  5. Step 5: Solve for x
    x = 321,272,581,235,341.69/16,648,628.40
  6. Step 6: Final answer
    x = 19,297,240.20

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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.