Home / 13,907,054.89-20,866,576.34-7,521,802.21

Finding the Fourth Proportional to 13,907,054.89, 20,866,576.34 and 7,521,802.21

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Solution

The fourth proportional to 13,907,054.89, 20,866,576.34 and 7,521,802.21 is: 11,285,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,054.89 : 20,866,576.34 = 7,521,802.21 : x
  2. Step 2: Convert to fraction form
    13,907,054.89/20,866,576.34 = 7,521,802.21/x
  3. Step 3: Cross multiply
    13,907,054.89x = 20,866,576.34 × 7,521,802.21
  4. Step 4: Simplify right side
    13,907,054.89x = 156,954,260,029,345.72
  5. Step 5: Solve for x
    x = 156,954,260,029,345.72/13,907,054.89
  6. Step 6: Final answer
    x = 11,285,945.25

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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.