Home / 17,162,571.60-25,743,857.40-9,072,421.20

Finding the Fourth Proportional to 17,162,571.60, 25,743,857.40 and 9,072,421.20

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Solution

The fourth proportional to 17,162,571.60, 25,743,857.40 and 9,072,421.20 is: 13,608,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162,571.60 : 25,743,857.40 = 9,072,421.20 : x
  2. Step 2: Convert to fraction form
    17,162,571.60/25,743,857.40 = 9,072,421.20/x
  3. Step 3: Cross multiply
    17,162,571.60x = 25,743,857.40 × 9,072,421.20
  4. Step 4: Simplify right side
    17,162,571.60x = 233,559,117,645,536.84
  5. Step 5: Solve for x
    x = 233,559,117,645,536.84/17,162,571.60
  6. Step 6: Final answer
    x = 13,608,631.80

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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.