Home / 20,343,393-28,073,893.68-11,176,626.24

Finding the Fourth Proportional to 20,343,393, 28,073,893.68 and 11,176,626.24

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Solution

The fourth proportional to 20,343,393, 28,073,893.68 and 11,176,626.24 is: 15,423,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,393 : 28,073,893.68 = 11,176,626.24 : x
  2. Step 2: Convert to fraction form
    20,343,393/28,073,893.68 = 11,176,626.24/x
  3. Step 3: Cross multiply
    20,343,393x = 28,073,893.68 × 11,176,626.24
  4. Step 4: Simplify right side
    20,343,393x = 313,771,416,762,858.19
  5. Step 5: Solve for x
    x = 313,771,416,762,858.19/20,343,393
  6. Step 6: Final answer
    x = 15,423,750.44

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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.