Home / 20,362,421.09-28,099,423.18-11,194,993.37

Finding the Fourth Proportional to 20,362,421.09, 28,099,423.18 and 11,194,993.37

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Solution

The fourth proportional to 20,362,421.09, 28,099,423.18 and 11,194,993.37 is: 15,448,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,421.09 : 28,099,423.18 = 11,194,993.37 : x
  2. Step 2: Convert to fraction form
    20,362,421.09/28,099,423.18 = 11,194,993.37/x
  3. Step 3: Cross multiply
    20,362,421.09x = 28,099,423.18 × 11,194,993.37
  4. Step 4: Simplify right side
    20,362,421.09x = 314,572,856,200,924.31
  5. Step 5: Solve for x
    x = 314,572,856,200,924.31/20,362,421.09
  6. Step 6: Final answer
    x = 15,448,696.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.