Home / 8,423,209.49-12,636,209.96-2,956,886.34

Finding the Fourth Proportional to 8,423,209.49, 12,636,209.96 and 2,956,886.34

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Solution

The fourth proportional to 8,423,209.49, 12,636,209.96 and 2,956,886.34 is: 4,435,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,209.49 : 12,636,209.96 = 2,956,886.34 : x
  2. Step 2: Convert to fraction form
    8,423,209.49/12,636,209.96 = 2,956,886.34/x
  3. Step 3: Cross multiply
    8,423,209.49x = 12,636,209.96 × 2,956,886.34
  4. Step 4: Simplify right side
    8,423,209.49x = 37,363,836,605,311.52
  5. Step 5: Solve for x
    x = 37,363,836,605,311.52/8,423,209.49
  6. Step 6: Final answer
    x = 4,435,819.47

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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.