Home / 8,685,394.74-13,028,185.62-2,620,179

Finding the Fourth Proportional to 8,685,394.74, 13,028,185.62 and 2,620,179

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Solution

The fourth proportional to 8,685,394.74, 13,028,185.62 and 2,620,179 is: 3,930,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,394.74 : 13,028,185.62 = 2,620,179 : x
  2. Step 2: Convert to fraction form
    8,685,394.74/13,028,185.62 = 2,620,179/x
  3. Step 3: Cross multiply
    8,685,394.74x = 13,028,185.62 × 2,620,179
  4. Step 4: Simplify right side
    8,685,394.74x = 34,136,178,369,625.98
  5. Step 5: Solve for x
    x = 34,136,178,369,625.98/8,685,394.74
  6. Step 6: Final answer
    x = 3,930,296.71

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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.