Home / 28,375,999.80-42,563,999.70-17,038,591.80

Finding the Fourth Proportional to 28,375,999.80, 42,563,999.70 and 17,038,591.80

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Solution

The fourth proportional to 28,375,999.80, 42,563,999.70 and 17,038,591.80 is: 25,557,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,999.80 : 42,563,999.70 = 17,038,591.80 : x
  2. Step 2: Convert to fraction form
    28,375,999.80/42,563,999.70 = 17,038,591.80/x
  3. Step 3: Cross multiply
    28,375,999.80x = 42,563,999.70 × 17,038,591.80
  4. Step 4: Simplify right side
    28,375,999.80x = 725,230,616,263,622.50
  5. Step 5: Solve for x
    x = 725,230,616,263,622.50/28,375,999.80
  6. Step 6: Final answer
    x = 25,557,887.70

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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.