Home / 7,418,483.21-11,108,560.21-5,120,070.60

Finding the Fourth Proportional to 7,418,483.21, 11,108,560.21 and 5,120,070.60

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Solution

The fourth proportional to 7,418,483.21, 11,108,560.21 and 5,120,070.60 is: 7,666,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,483.21 : 11,108,560.21 = 5,120,070.60 : x
  2. Step 2: Convert to fraction form
    7,418,483.21/11,108,560.21 = 5,120,070.60/x
  3. Step 3: Cross multiply
    7,418,483.21x = 11,108,560.21 × 5,120,070.60
  4. Step 4: Simplify right side
    7,418,483.21x = 56,876,612,498,723.28
  5. Step 5: Solve for x
    x = 56,876,612,498,723.28/7,418,483.21
  6. Step 6: Final answer
    x = 7,666,878.91

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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.