Home / 28,193,108.20-42,289,662.30-25,001,837.80

Finding the Fourth Proportional to 28,193,108.20, 42,289,662.30 and 25,001,837.80

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Solution

The fourth proportional to 28,193,108.20, 42,289,662.30 and 25,001,837.80 is: 37,502,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,108.20 : 42,289,662.30 = 25,001,837.80 : x
  2. Step 2: Convert to fraction form
    28,193,108.20/42,289,662.30 = 25,001,837.80/x
  3. Step 3: Cross multiply
    28,193,108.20x = 42,289,662.30 × 25,001,837.80
  4. Step 4: Simplify right side
    28,193,108.20x = 1,057,319,277,441,374.88
  5. Step 5: Solve for x
    x = 1,057,319,277,441,374.88/28,193,108.20
  6. Step 6: Final answer
    x = 37,502,756.70

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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.