Home / 11,991,685.71-17,979,538.72-6,602,873.97

Finding the Fourth Proportional to 11,991,685.71, 17,979,538.72 and 6,602,873.97

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Solution

The fourth proportional to 11,991,685.71, 17,979,538.72 and 6,602,873.97 is: 9,899,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991,685.71 : 17,979,538.72 = 6,602,873.97 : x
  2. Step 2: Convert to fraction form
    11,991,685.71/17,979,538.72 = 6,602,873.97/x
  3. Step 3: Cross multiply
    11,991,685.71x = 17,979,538.72 × 6,602,873.97
  4. Step 4: Simplify right side
    11,991,685.71x = 118,716,628,206,895.11
  5. Step 5: Solve for x
    x = 118,716,628,206,895.11/11,991,685.71
  6. Step 6: Final answer
    x = 9,899,911.58

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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.