Home / 7,876,196.64-11,816,287.53-2,196,421.56

Finding the Fourth Proportional to 7,876,196.64, 11,816,287.53 and 2,196,421.56

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Solution

The fourth proportional to 7,876,196.64, 11,816,287.53 and 2,196,421.56 is: 3,295,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,196.64 : 11,816,287.53 = 2,196,421.56 : x
  2. Step 2: Convert to fraction form
    7,876,196.64/11,816,287.53 = 2,196,421.56/x
  3. Step 3: Cross multiply
    7,876,196.64x = 11,816,287.53 × 2,196,421.56
  4. Step 4: Simplify right side
    7,876,196.64x = 25,953,548,690,051.14
  5. Step 5: Solve for x
    x = 25,953,548,690,051.14/7,876,196.64
  6. Step 6: Final answer
    x = 3,295,188.00

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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.