Home / 8,423,534.70-12,636,699.30-2,957,212.44

Finding the Fourth Proportional to 8,423,534.70, 12,636,699.30 and 2,957,212.44

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Solution

The fourth proportional to 8,423,534.70, 12,636,699.30 and 2,957,212.44 is: 4,436,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,534.70 : 12,636,699.30 = 2,957,212.44 : x
  2. Step 2: Convert to fraction form
    8,423,534.70/12,636,699.30 = 2,957,212.44/x
  3. Step 3: Cross multiply
    8,423,534.70x = 12,636,699.30 × 2,957,212.44
  4. Step 4: Simplify right side
    8,423,534.70x = 37,369,404,370,499.30
  5. Step 5: Solve for x
    x = 37,369,404,370,499.30/8,423,534.70
  6. Step 6: Final answer
    x = 4,436,309.19

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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.