Home / 11,909,472.40-17,864,208.60-6,870,624.40

Finding the Fourth Proportional to 11,909,472.40, 17,864,208.60 and 6,870,624.40

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Solution

The fourth proportional to 11,909,472.40, 17,864,208.60 and 6,870,624.40 is: 10,305,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,472.40 : 17,864,208.60 = 6,870,624.40 : x
  2. Step 2: Convert to fraction form
    11,909,472.40/17,864,208.60 = 6,870,624.40/x
  3. Step 3: Cross multiply
    11,909,472.40x = 17,864,208.60 × 6,870,624.40
  4. Step 4: Simplify right side
    11,909,472.40x = 122,738,267,493,849.86
  5. Step 5: Solve for x
    x = 122,738,267,493,849.86/11,909,472.40
  6. Step 6: Final answer
    x = 10,305,936.60

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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.