Home / 8,636,879.28-12,946,648.68-2,953,216.56

Finding the Fourth Proportional to 8,636,879.28, 12,946,648.68 and 2,953,216.56

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Solution

The fourth proportional to 8,636,879.28, 12,946,648.68 and 2,953,216.56 is: 4,426,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636,879.28 : 12,946,648.68 = 2,953,216.56 : x
  2. Step 2: Convert to fraction form
    8,636,879.28/12,946,648.68 = 2,953,216.56/x
  3. Step 3: Cross multiply
    8,636,879.28x = 12,946,648.68 × 2,953,216.56
  4. Step 4: Simplify right side
    8,636,879.28x = 38,234,257,278,278.14
  5. Step 5: Solve for x
    x = 38,234,257,278,278.14/8,636,879.28
  6. Step 6: Final answer
    x = 4,426,860.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.