Home / 8,423,236.55-12,636,251.57-2,956,913.78

Finding the Fourth Proportional to 8,423,236.55, 12,636,251.57 and 2,956,913.78

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Solution

The fourth proportional to 8,423,236.55, 12,636,251.57 and 2,956,913.78 is: 4,435,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,236.55 : 12,636,251.57 = 2,956,913.78 : x
  2. Step 2: Convert to fraction form
    8,423,236.55/12,636,251.57 = 2,956,913.78/x
  3. Step 3: Cross multiply
    8,423,236.55x = 12,636,251.57 × 2,956,913.78
  4. Step 4: Simplify right side
    8,423,236.55x = 37,364,306,394,879.63
  5. Step 5: Solve for x
    x = 37,364,306,394,879.63/8,423,236.55
  6. Step 6: Final answer
    x = 4,435,860.99

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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.