Home / 10,086,628.09-13,918,979.50-5,736,772.57

Finding the Fourth Proportional to 10,086,628.09, 13,918,979.50 and 5,736,772.57

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Solution

The fourth proportional to 10,086,628.09, 13,918,979.50 and 5,736,772.57 is: 7,916,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,628.09 : 13,918,979.50 = 5,736,772.57 : x
  2. Step 2: Convert to fraction form
    10,086,628.09/13,918,979.50 = 5,736,772.57/x
  3. Step 3: Cross multiply
    10,086,628.09x = 13,918,979.50 × 5,736,772.57
  4. Step 4: Simplify right side
    10,086,628.09x = 79,850,019,797,992.31
  5. Step 5: Solve for x
    x = 79,850,019,797,992.31/10,086,628.09
  6. Step 6: Final answer
    x = 7,916,423.51

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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.