Home / 31,565,806.68-43,556,142.78-19,169,453.40

Finding the Fourth Proportional to 31,565,806.68, 43,556,142.78 and 19,169,453.40

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Solution

The fourth proportional to 31,565,806.68, 43,556,142.78 and 19,169,453.40 is: 26,451,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565,806.68 : 43,556,142.78 = 19,169,453.40 : x
  2. Step 2: Convert to fraction form
    31,565,806.68/43,556,142.78 = 19,169,453.40/x
  3. Step 3: Cross multiply
    31,565,806.68x = 43,556,142.78 × 19,169,453.40
  4. Step 4: Simplify right side
    31,565,806.68x = 834,947,449,304,956.38
  5. Step 5: Solve for x
    x = 834,947,449,304,956.38/31,565,806.68
  6. Step 6: Final answer
    x = 26,451,009.40

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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.