Home / 36,408,915.05-50,245,829.62-20,939,011.79

Finding the Fourth Proportional to 36,408,915.05, 50,245,829.62 and 20,939,011.79

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Solution

The fourth proportional to 36,408,915.05, 50,245,829.62 and 20,939,011.79 is: 28,896,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408,915.05 : 50,245,829.62 = 20,939,011.79 : x
  2. Step 2: Convert to fraction form
    36,408,915.05/50,245,829.62 = 20,939,011.79/x
  3. Step 3: Cross multiply
    36,408,915.05x = 50,245,829.62 × 20,939,011.79
  4. Step 4: Simplify right side
    36,408,915.05x = 1,052,098,018,507,934.50
  5. Step 5: Solve for x
    x = 1,052,098,018,507,934.50/36,408,915.05
  6. Step 6: Final answer
    x = 28,896,714.37

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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.