Home / 12,011,634.72-18,017,447.55-4,823,166.46

Finding the Fourth Proportional to 12,011,634.72, 18,017,447.55 and 4,823,166.46

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Solution

The fourth proportional to 12,011,634.72, 18,017,447.55 and 4,823,166.46 is: 7,234,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,634.72 : 18,017,447.55 = 4,823,166.46 : x
  2. Step 2: Convert to fraction form
    12,011,634.72/18,017,447.55 = 4,823,166.46/x
  3. Step 3: Cross multiply
    12,011,634.72x = 18,017,447.55 × 4,823,166.46
  4. Step 4: Simplify right side
    12,011,634.72x = 86,901,148,717,969.17
  5. Step 5: Solve for x
    x = 86,901,148,717,969.17/12,011,634.72
  6. Step 6: Final answer
    x = 7,234,747.87

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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.