Home / 7,403,410.80-11,108,615.40-3,147,217.20

Finding the Fourth Proportional to 7,403,410.80, 11,108,615.40 and 3,147,217.20

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Solution

The fourth proportional to 7,403,410.80, 11,108,615.40 and 3,147,217.20 is: 4,722,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403,410.80 : 11,108,615.40 = 3,147,217.20 : x
  2. Step 2: Convert to fraction form
    7,403,410.80/11,108,615.40 = 3,147,217.20/x
  3. Step 3: Cross multiply
    7,403,410.80x = 11,108,615.40 × 3,147,217.20
  4. Step 4: Simplify right side
    7,403,410.80x = 34,961,225,455,064.88
  5. Step 5: Solve for x
    x = 34,961,225,455,064.88/7,403,410.80
  6. Step 6: Final answer
    x = 4,722,313.32

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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.