Home / 12,481,636.80-18,731,146.47-4,395,263.77

Finding the Fourth Proportional to 12,481,636.80, 18,731,146.47 and 4,395,263.77

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Solution

The fourth proportional to 12,481,636.80, 18,731,146.47 and 4,395,263.77 is: 6,595,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,636.80 : 18,731,146.47 = 4,395,263.77 : x
  2. Step 2: Convert to fraction form
    12,481,636.80/18,731,146.47 = 4,395,263.77/x
  3. Step 3: Cross multiply
    12,481,636.80x = 18,731,146.47 × 4,395,263.77
  4. Step 4: Simplify right side
    12,481,636.80x = 82,328,329,376,446.75
  5. Step 5: Solve for x
    x = 82,328,329,376,446.75/12,481,636.80
  6. Step 6: Final answer
    x = 6,595,956.18

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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.