Home / 9,161,843.70-13,742,765.55-8,280,045.30

Finding the Fourth Proportional to 9,161,843.70, 13,742,765.55 and 8,280,045.30

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Solution

The fourth proportional to 9,161,843.70, 13,742,765.55 and 8,280,045.30 is: 12,420,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,843.70 : 13,742,765.55 = 8,280,045.30 : x
  2. Step 2: Convert to fraction form
    9,161,843.70/13,742,765.55 = 8,280,045.30/x
  3. Step 3: Cross multiply
    9,161,843.70x = 13,742,765.55 × 8,280,045.30
  4. Step 4: Simplify right side
    9,161,843.70x = 113,790,721,301,279.42
  5. Step 5: Solve for x
    x = 113,790,721,301,279.42/9,161,843.70
  6. Step 6: Final answer
    x = 12,420,067.95

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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.