Home / 7,445,392.80-11,170,162.80-3,658,999.20

Finding the Fourth Proportional to 7,445,392.80, 11,170,162.80 and 3,658,999.20

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Solution

The fourth proportional to 7,445,392.80, 11,170,162.80 and 3,658,999.20 is: 5,489,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445,392.80 : 11,170,162.80 = 3,658,999.20 : x
  2. Step 2: Convert to fraction form
    7,445,392.80/11,170,162.80 = 3,658,999.20/x
  3. Step 3: Cross multiply
    7,445,392.80x = 11,170,162.80 × 3,658,999.20
  4. Step 4: Simplify right side
    7,445,392.80x = 40,871,616,749,069.77
  5. Step 5: Solve for x
    x = 40,871,616,749,069.77/7,445,392.80
  6. Step 6: Final answer
    x = 5,489,517.86

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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.