Home / 28,750,125.72-42,994,201.86-21,468,698.76

Finding the Fourth Proportional to 28,750,125.72, 42,994,201.86 and 21,468,698.76

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Solution

The fourth proportional to 28,750,125.72, 42,994,201.86 and 21,468,698.76 is: 32,105,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750,125.72 : 42,994,201.86 = 21,468,698.76 : x
  2. Step 2: Convert to fraction form
    28,750,125.72/42,994,201.86 = 21,468,698.76/x
  3. Step 3: Cross multiply
    28,750,125.72x = 42,994,201.86 × 21,468,698.76
  4. Step 4: Simplify right side
    28,750,125.72x = 923,029,568,158,971.75
  5. Step 5: Solve for x
    x = 923,029,568,158,971.75/28,750,125.72
  6. Step 6: Final answer
    x = 32,105,235.89

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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.