Home / 13,664,317.50-18,854,386.92-8,440,252.38

Finding the Fourth Proportional to 13,664,317.50, 18,854,386.92 and 8,440,252.38

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Solution

The fourth proportional to 13,664,317.50, 18,854,386.92 and 8,440,252.38 is: 11,646,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,317.50 : 18,854,386.92 = 8,440,252.38 : x
  2. Step 2: Convert to fraction form
    13,664,317.50/18,854,386.92 = 8,440,252.38/x
  3. Step 3: Cross multiply
    13,664,317.50x = 18,854,386.92 × 8,440,252.38
  4. Step 4: Simplify right side
    13,664,317.50x = 159,135,784,074,970.91
  5. Step 5: Solve for x
    x = 159,135,784,074,970.91/13,664,317.50
  6. Step 6: Final answer
    x = 11,646,083.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.