Home / 19,483,906.81-26,888,230.11-12,620,335.36

Finding the Fourth Proportional to 19,483,906.81, 26,888,230.11 and 12,620,335.36

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Solution

The fourth proportional to 19,483,906.81, 26,888,230.11 and 12,620,335.36 is: 17,416,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483,906.81 : 26,888,230.11 = 12,620,335.36 : x
  2. Step 2: Convert to fraction form
    19,483,906.81/26,888,230.11 = 12,620,335.36/x
  3. Step 3: Cross multiply
    19,483,906.81x = 26,888,230.11 × 12,620,335.36
  4. Step 4: Simplify right side
    19,483,906.81x = 339,338,481,225,049.69
  5. Step 5: Solve for x
    x = 339,338,481,225,049.69/19,483,906.81
  6. Step 6: Final answer
    x = 17,416,346.96

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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.