Home / 9,266,205.72-12,787,355.34-5,191,853.88

Finding the Fourth Proportional to 9,266,205.72, 12,787,355.34 and 5,191,853.88

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Solution

The fourth proportional to 9,266,205.72, 12,787,355.34 and 5,191,853.88 is: 7,164,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266,205.72 : 12,787,355.34 = 5,191,853.88 : x
  2. Step 2: Convert to fraction form
    9,266,205.72/12,787,355.34 = 5,191,853.88/x
  3. Step 3: Cross multiply
    9,266,205.72x = 12,787,355.34 × 5,191,853.88
  4. Step 4: Simplify right side
    9,266,205.72x = 66,390,080,436,917.72
  5. Step 5: Solve for x
    x = 66,390,080,436,917.72/9,266,205.72
  6. Step 6: Final answer
    x = 7,164,753.56

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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.