Home / 20,501,870.31-30,757,783.62-6,124,833.02

Finding the Fourth Proportional to 20,501,870.31, 30,757,783.62 and 6,124,833.02

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Solution

The fourth proportional to 20,501,870.31, 30,757,783.62 and 6,124,833.02 is: 9,188,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,870.31 : 30,757,783.62 = 6,124,833.02 : x
  2. Step 2: Convert to fraction form
    20,501,870.31/30,757,783.62 = 6,124,833.02/x
  3. Step 3: Cross multiply
    20,501,870.31x = 30,757,783.62 × 6,124,833.02
  4. Step 4: Simplify right side
    20,501,870.31x = 188,386,288,837,653.72
  5. Step 5: Solve for x
    x = 188,386,288,837,653.72/20,501,870.31
  6. Step 6: Final answer
    x = 9,188,736.73

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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.