Home / 22,112,793.26-30,515,756.93-12,825,861.79

Finding the Fourth Proportional to 22,112,793.26, 30,515,756.93 and 12,825,861.79

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Solution

The fourth proportional to 22,112,793.26, 30,515,756.93 and 12,825,861.79 is: 17,699,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112,793.26 : 30,515,756.93 = 12,825,861.79 : x
  2. Step 2: Convert to fraction form
    22,112,793.26/30,515,756.93 = 12,825,861.79/x
  3. Step 3: Cross multiply
    22,112,793.26x = 30,515,756.93 × 12,825,861.79
  4. Step 4: Simplify right side
    22,112,793.26x = 391,390,880,725,125.31
  5. Step 5: Solve for x
    x = 391,390,880,725,125.31/22,112,793.26
  6. Step 6: Final answer
    x = 17,699,748.56

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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.