Home / 21,790,859.34-30,068,769.30-12,497,946.42

Finding the Fourth Proportional to 21,790,859.34, 30,068,769.30 and 12,497,946.42

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Solution

The fourth proportional to 21,790,859.34, 30,068,769.30 and 12,497,946.42 is: 17,245,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,859.34 : 30,068,769.30 = 12,497,946.42 : x
  2. Step 2: Convert to fraction form
    21,790,859.34/30,068,769.30 = 12,497,946.42/x
  3. Step 3: Cross multiply
    21,790,859.34x = 30,068,769.30 × 12,497,946.42
  4. Step 4: Simplify right side
    21,790,859.34x = 375,797,867,626,740.94
  5. Step 5: Solve for x
    x = 375,797,867,626,740.94/21,790,859.34
  6. Step 6: Final answer
    x = 17,245,665.34

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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.