Home / 12,606,070.68-18,915,011.52-6,212,835.45

Finding the Fourth Proportional to 12,606,070.68, 18,915,011.52 and 6,212,835.45

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Solution

The fourth proportional to 12,606,070.68, 18,915,011.52 and 6,212,835.45 is: 9,322,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606,070.68 : 18,915,011.52 = 6,212,835.45 : x
  2. Step 2: Convert to fraction form
    12,606,070.68/18,915,011.52 = 6,212,835.45/x
  3. Step 3: Cross multiply
    12,606,070.68x = 18,915,011.52 × 6,212,835.45
  4. Step 4: Simplify right side
    12,606,070.68x = 117,515,854,108,614.39
  5. Step 5: Solve for x
    x = 117,515,854,108,614.39/12,606,070.68
  6. Step 6: Final answer
    x = 9,322,163.67

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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.