Home / 22,556,975.12-31,127,820.25-12,767,209.12

Finding the Fourth Proportional to 22,556,975.12, 31,127,820.25 and 12,767,209.12

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Solution

The fourth proportional to 22,556,975.12, 31,127,820.25 and 12,767,209.12 is: 17,618,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,975.12 : 31,127,820.25 = 12,767,209.12 : x
  2. Step 2: Convert to fraction form
    22,556,975.12/31,127,820.25 = 12,767,209.12/x
  3. Step 3: Cross multiply
    22,556,975.12x = 31,127,820.25 × 12,767,209.12
  4. Step 4: Simplify right side
    22,556,975.12x = 397,415,390,437,356.94
  5. Step 5: Solve for x
    x = 397,415,390,437,356.94/22,556,975.12
  6. Step 6: Final answer
    x = 17,618,292.71

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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.