Home / 7,679,419.98-11,520,848.14-2,887,150.78

Finding the Fourth Proportional to 7,679,419.98, 11,520,848.14 and 2,887,150.78

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Solution

The fourth proportional to 7,679,419.98, 11,520,848.14 and 2,887,150.78 is: 4,331,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,419.98 : 11,520,848.14 = 2,887,150.78 : x
  2. Step 2: Convert to fraction form
    7,679,419.98/11,520,848.14 = 2,887,150.78/x
  3. Step 3: Cross multiply
    7,679,419.98x = 11,520,848.14 × 2,887,150.78
  4. Step 4: Simplify right side
    7,679,419.98x = 33,262,425,693,662.55
  5. Step 5: Solve for x
    x = 33,262,425,693,662.55/7,679,419.98
  6. Step 6: Final answer
    x = 4,331,372.13

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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.