Home / 19,217,428.20-26,520,645.78-10,515,967.56

Finding the Fourth Proportional to 19,217,428.20, 26,520,645.78 and 10,515,967.56

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Solution

The fourth proportional to 19,217,428.20, 26,520,645.78 and 10,515,967.56 is: 14,512,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217,428.20 : 26,520,645.78 = 10,515,967.56 : x
  2. Step 2: Convert to fraction form
    19,217,428.20/26,520,645.78 = 10,515,967.56/x
  3. Step 3: Cross multiply
    19,217,428.20x = 26,520,645.78 × 10,515,967.56
  4. Step 4: Simplify right side
    19,217,428.20x = 278,890,250,692,730.94
  5. Step 5: Solve for x
    x = 278,890,250,692,730.94/19,217,428.20
  6. Step 6: Final answer
    x = 14,512,360.75

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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.