Home / 20,489,032.10-30,733,548.15-19,313,300.90

Finding the Fourth Proportional to 20,489,032.10, 30,733,548.15 and 19,313,300.90

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Solution

The fourth proportional to 20,489,032.10, 30,733,548.15 and 19,313,300.90 is: 28,969,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,032.10 : 30,733,548.15 = 19,313,300.90 : x
  2. Step 2: Convert to fraction form
    20,489,032.10/30,733,548.15 = 19,313,300.90/x
  3. Step 3: Cross multiply
    20,489,032.10x = 30,733,548.15 × 19,313,300.90
  4. Step 4: Simplify right side
    20,489,032.10x = 593,566,263,145,588.25
  5. Step 5: Solve for x
    x = 593,566,263,145,588.25/20,489,032.10
  6. Step 6: Final answer
    x = 28,969,951.35

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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.