Home / 7,912,033.20-11,859,301.80-3,118,129.20

Finding the Fourth Proportional to 7,912,033.20, 11,859,301.80 and 3,118,129.20

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Solution

The fourth proportional to 7,912,033.20, 11,859,301.80 and 3,118,129.20 is: 4,673,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,033.20 : 11,859,301.80 = 3,118,129.20 : x
  2. Step 2: Convert to fraction form
    7,912,033.20/11,859,301.80 = 3,118,129.20/x
  3. Step 3: Cross multiply
    7,912,033.20x = 11,859,301.80 × 3,118,129.20
  4. Step 4: Simplify right side
    7,912,033.20x = 36,978,835,234,192.56
  5. Step 5: Solve for x
    x = 36,978,835,234,192.56/7,912,033.20
  6. Step 6: Final answer
    x = 4,673,746.22

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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.