Home / 18,989,416.67-28,484,125.34-4,612,387.56

Finding the Fourth Proportional to 18,989,416.67, 28,484,125.34 and 4,612,387.56

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Solution

The fourth proportional to 18,989,416.67, 28,484,125.34 and 4,612,387.56 is: 6,918,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,416.67 : 28,484,125.34 = 4,612,387.56 : x
  2. Step 2: Convert to fraction form
    18,989,416.67/28,484,125.34 = 4,612,387.56/x
  3. Step 3: Cross multiply
    18,989,416.67x = 28,484,125.34 × 4,612,387.56
  4. Step 4: Simplify right side
    18,989,416.67x = 131,379,825,352,634.83
  5. Step 5: Solve for x
    x = 131,379,825,352,634.83/18,989,416.67
  6. Step 6: Final answer
    x = 6,918,581.42

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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.