Home / 20,048,438.40-30,085,308-8,533,887.36

Finding the Fourth Proportional to 20,048,438.40, 30,085,308 and 8,533,887.36

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Solution

The fourth proportional to 20,048,438.40, 30,085,308 and 8,533,887.36 is: 12,806,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,438.40 : 30,085,308 = 8,533,887.36 : x
  2. Step 2: Convert to fraction form
    20,048,438.40/30,085,308 = 8,533,887.36/x
  3. Step 3: Cross multiply
    20,048,438.40x = 30,085,308 × 8,533,887.36
  4. Step 4: Simplify right side
    20,048,438.40x = 256,744,629,662,906.88
  5. Step 5: Solve for x
    x = 256,744,629,662,906.88/20,048,438.40
  6. Step 6: Final answer
    x = 12,806,215.85

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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.