Home / 13,693,366.44-18,897,077.70-7,498,313.64

Finding the Fourth Proportional to 13,693,366.44, 18,897,077.70 and 7,498,313.64

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Solution

The fourth proportional to 13,693,366.44, 18,897,077.70 and 7,498,313.64 is: 10,347,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,366.44 : 18,897,077.70 = 7,498,313.64 : x
  2. Step 2: Convert to fraction form
    13,693,366.44/18,897,077.70 = 7,498,313.64/x
  3. Step 3: Cross multiply
    13,693,366.44x = 18,897,077.70 × 7,498,313.64
  4. Step 4: Simplify right side
    13,693,366.44x = 141,696,215,474,049.81
  5. Step 5: Solve for x
    x = 141,696,215,474,049.81/13,693,366.44
  6. Step 6: Final answer
    x = 10,347,799.87

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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.