Home / 13,975,101.96-19,286,100.42-7,696,298.77

Finding the Fourth Proportional to 13,975,101.96, 19,286,100.42 and 7,696,298.77

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Solution

The fourth proportional to 13,975,101.96, 19,286,100.42 and 7,696,298.77 is: 10,621,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975,101.96 : 19,286,100.42 = 7,696,298.77 : x
  2. Step 2: Convert to fraction form
    13,975,101.96/19,286,100.42 = 7,696,298.77/x
  3. Step 3: Cross multiply
    13,975,101.96x = 19,286,100.42 × 7,696,298.77
  4. Step 4: Simplify right side
    13,975,101.96x = 148,431,590,906,757.78
  5. Step 5: Solve for x
    x = 148,431,590,906,757.78/13,975,101.96
  6. Step 6: Final answer
    x = 10,621,145.48

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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.