Home / 20,337,548.90-30,494,030.31-8,192,828.03

Finding the Fourth Proportional to 20,337,548.90, 30,494,030.31 and 8,192,828.03

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Solution

The fourth proportional to 20,337,548.90, 30,494,030.31 and 8,192,828.03 is: 12,284,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,548.90 : 30,494,030.31 = 8,192,828.03 : x
  2. Step 2: Convert to fraction form
    20,337,548.90/30,494,030.31 = 8,192,828.03/x
  3. Step 3: Cross multiply
    20,337,548.90x = 30,494,030.31 × 8,192,828.03
  4. Step 4: Simplify right side
    20,337,548.90x = 249,832,346,118,967.44
  5. Step 5: Solve for x
    x = 249,832,346,118,967.44/20,337,548.90
  6. Step 6: Final answer
    x = 12,284,289.88

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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.