Home / 18,819,906.84-25,971,351.12-10,447,186.32

Finding the Fourth Proportional to 18,819,906.84, 25,971,351.12 and 10,447,186.32

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Solution

The fourth proportional to 18,819,906.84, 25,971,351.12 and 10,447,186.32 is: 14,417,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,906.84 : 25,971,351.12 = 10,447,186.32 : x
  2. Step 2: Convert to fraction form
    18,819,906.84/25,971,351.12 = 10,447,186.32/x
  3. Step 3: Cross multiply
    18,819,906.84x = 25,971,351.12 × 10,447,186.32
  4. Step 4: Simplify right side
    18,819,906.84x = 271,327,544,132,780.69
  5. Step 5: Solve for x
    x = 271,327,544,132,780.69/18,819,906.84
  6. Step 6: Final answer
    x = 14,417,050.33

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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.