Home / 11,666,121.45-17,500,022.94-4,477,655.35

Finding the Fourth Proportional to 11,666,121.45, 17,500,022.94 and 4,477,655.35

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Solution

The fourth proportional to 11,666,121.45, 17,500,022.94 and 4,477,655.35 is: 6,716,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,121.45 : 17,500,022.94 = 4,477,655.35 : x
  2. Step 2: Convert to fraction form
    11,666,121.45/17,500,022.94 = 4,477,655.35/x
  3. Step 3: Cross multiply
    11,666,121.45x = 17,500,022.94 × 4,477,655.35
  4. Step 4: Simplify right side
    11,666,121.45x = 78,359,071,279,330.55
  5. Step 5: Solve for x
    x = 78,359,071,279,330.55/11,666,121.45
  6. Step 6: Final answer
    x = 6,716,805.72

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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.