Home / 9,118,212.21-13,659,345.28-7,414,279.50

Finding the Fourth Proportional to 9,118,212.21, 13,659,345.28 and 7,414,279.50

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Solution

The fourth proportional to 9,118,212.21, 13,659,345.28 and 7,414,279.50 is: 11,106,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118,212.21 : 13,659,345.28 = 7,414,279.50 : x
  2. Step 2: Convert to fraction form
    9,118,212.21/13,659,345.28 = 7,414,279.50/x
  3. Step 3: Cross multiply
    9,118,212.21x = 13,659,345.28 × 7,414,279.50
  4. Step 4: Simplify right side
    9,118,212.21x = 101,274,203,711,710.83
  5. Step 5: Solve for x
    x = 101,274,203,711,710.83/9,118,212.21
  6. Step 6: Final answer
    x = 11,106,804.86

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1.5x scale

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.