Home / 7,808,863.59-11,698,040.79-5,379,587.73

Finding the Fourth Proportional to 7,808,863.59, 11,698,040.79 and 5,379,587.73

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Solution

The fourth proportional to 7,808,863.59, 11,698,040.79 and 5,379,587.73 is: 8,058,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,863.59 : 11,698,040.79 = 5,379,587.73 : x
  2. Step 2: Convert to fraction form
    7,808,863.59/11,698,040.79 = 5,379,587.73/x
  3. Step 3: Cross multiply
    7,808,863.59x = 11,698,040.79 × 5,379,587.73
  4. Step 4: Simplify right side
    7,808,863.59x = 62,930,636,698,923.51
  5. Step 5: Solve for x
    x = 62,930,636,698,923.51/7,808,863.59
  6. Step 6: Final answer
    x = 8,058,872.58

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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.