Home / 6,665,943.59-9,195,318.96-5,426,886.78

Finding the Fourth Proportional to 6,665,943.59, 9,195,318.96 and 5,426,886.78

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Solution

The fourth proportional to 6,665,943.59, 9,195,318.96 and 5,426,886.78 is: 7,486,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,943.59 : 9,195,318.96 = 5,426,886.78 : x
  2. Step 2: Convert to fraction form
    6,665,943.59/9,195,318.96 = 5,426,886.78/x
  3. Step 3: Cross multiply
    6,665,943.59x = 9,195,318.96 × 5,426,886.78
  4. Step 4: Simplify right side
    6,665,943.59x = 49,901,954,913,884.51
  5. Step 5: Solve for x
    x = 49,901,954,913,884.51/6,665,943.59
  6. Step 6: Final answer
    x = 7,486,105.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.