Home / 7,638,312.20-10,540,660.64-4,200,553.24

Finding the Fourth Proportional to 7,638,312.20, 10,540,660.64 and 4,200,553.24

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Solution

The fourth proportional to 7,638,312.20, 10,540,660.64 and 4,200,553.24 is: 5,796,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,312.20 : 10,540,660.64 = 4,200,553.24 : x
  2. Step 2: Convert to fraction form
    7,638,312.20/10,540,660.64 = 4,200,553.24/x
  3. Step 3: Cross multiply
    7,638,312.20x = 10,540,660.64 × 4,200,553.24
  4. Step 4: Simplify right side
    7,638,312.20x = 44,276,606,203,092.48
  5. Step 5: Solve for x
    x = 44,276,606,203,092.48/7,638,312.20
  6. Step 6: Final answer
    x = 5,796,647.88

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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.