Home / 8,972,359.70-13,458,539.55-8,279,518.10

Finding the Fourth Proportional to 8,972,359.70, 13,458,539.55 and 8,279,518.10

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Solution

The fourth proportional to 8,972,359.70, 13,458,539.55 and 8,279,518.10 is: 12,419,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,359.70 : 13,458,539.55 = 8,279,518.10 : x
  2. Step 2: Convert to fraction form
    8,972,359.70/13,458,539.55 = 8,279,518.10/x
  3. Step 3: Cross multiply
    8,972,359.70x = 13,458,539.55 × 8,279,518.10
  4. Step 4: Simplify right side
    8,972,359.70x = 111,430,221,803,790.86
  5. Step 5: Solve for x
    x = 111,430,221,803,790.86/8,972,359.70
  6. Step 6: Final answer
    x = 12,419,277.15

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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.