Home / 7,392,921.40-11,077,458.90-4,188,518.20

Finding the Fourth Proportional to 7,392,921.40, 11,077,458.90 and 4,188,518.20

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Solution

The fourth proportional to 7,392,921.40, 11,077,458.90 and 4,188,518.20 is: 6,276,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,921.40 : 11,077,458.90 = 4,188,518.20 : x
  2. Step 2: Convert to fraction form
    7,392,921.40/11,077,458.90 = 4,188,518.20/x
  3. Step 3: Cross multiply
    7,392,921.40x = 11,077,458.90 × 4,188,518.20
  4. Step 4: Simplify right side
    7,392,921.40x = 46,398,138,212,401.98
  5. Step 5: Solve for x
    x = 46,398,138,212,401.98/7,392,921.40
  6. Step 6: Final answer
    x = 6,276,022.12

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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.