Home / 9,172,054.60-13,758,081.90-5,190,742.60

Finding the Fourth Proportional to 9,172,054.60, 13,758,081.90 and 5,190,742.60

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Solution

The fourth proportional to 9,172,054.60, 13,758,081.90 and 5,190,742.60 is: 7,786,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,054.60 : 13,758,081.90 = 5,190,742.60 : x
  2. Step 2: Convert to fraction form
    9,172,054.60/13,758,081.90 = 5,190,742.60/x
  3. Step 3: Cross multiply
    9,172,054.60x = 13,758,081.90 × 5,190,742.60
  4. Step 4: Simplify right side
    9,172,054.60x = 71,414,661,812,618.94
  5. Step 5: Solve for x
    x = 71,414,661,812,618.94/9,172,054.60
  6. Step 6: Final answer
    x = 7,786,113.90

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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.