Home / 23,107,021.20-31,888,685.52-12,793,744.08

Finding the Fourth Proportional to 23,107,021.20, 31,888,685.52 and 12,793,744.08

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Solution

The fourth proportional to 23,107,021.20, 31,888,685.52 and 12,793,744.08 is: 17,655,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107,021.20 : 31,888,685.52 = 12,793,744.08 : x
  2. Step 2: Convert to fraction form
    23,107,021.20/31,888,685.52 = 12,793,744.08/x
  3. Step 3: Cross multiply
    23,107,021.20x = 31,888,685.52 × 12,793,744.08
  4. Step 4: Simplify right side
    23,107,021.20x = 407,975,681,590,481.69
  5. Step 5: Solve for x
    x = 407,975,681,590,481.69/23,107,021.20
  6. Step 6: Final answer
    x = 17,655,918.44

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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.