Home / 30,059,489.28-45,089,370-12,783,239.04

Finding the Fourth Proportional to 30,059,489.28, 45,089,370 and 12,783,239.04

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Solution

The fourth proportional to 30,059,489.28, 45,089,370 and 12,783,239.04 is: 19,174,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059,489.28 : 45,089,370 = 12,783,239.04 : x
  2. Step 2: Convert to fraction form
    30,059,489.28/45,089,370 = 12,783,239.04/x
  3. Step 3: Cross multiply
    30,059,489.28x = 45,089,370 × 12,783,239.04
  4. Step 4: Simplify right side
    30,059,489.28x = 576,388,194,873,004.75
  5. Step 5: Solve for x
    x = 576,388,194,873,004.75/30,059,489.28
  6. Step 6: Final answer
    x = 19,174,916.43

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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.