Home / 9,139,944.69-13,696,445.12-5,090,858.37

Finding the Fourth Proportional to 9,139,944.69, 13,696,445.12 and 5,090,858.37

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Solution

The fourth proportional to 9,139,944.69, 13,696,445.12 and 5,090,858.37 is: 7,628,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,944.69 : 13,696,445.12 = 5,090,858.37 : x
  2. Step 2: Convert to fraction form
    9,139,944.69/13,696,445.12 = 5,090,858.37/x
  3. Step 3: Cross multiply
    9,139,944.69x = 13,696,445.12 × 5,090,858.37
  4. Step 4: Simplify right side
    9,139,944.69x = 69,726,662,252,943.37
  5. Step 5: Solve for x
    x = 69,726,662,252,943.37/9,139,944.69
  6. Step 6: Final answer
    x = 7,628,783.83

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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.