Home / 20,579,094.87-30,880,599.80-9,219,543.54

Finding the Fourth Proportional to 20,579,094.87, 30,880,599.80 and 9,219,543.54

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Solution

The fourth proportional to 20,579,094.87, 30,880,599.80 and 9,219,543.54 is: 13,834,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579,094.87 : 30,880,599.80 = 9,219,543.54 : x
  2. Step 2: Convert to fraction form
    20,579,094.87/30,880,599.80 = 9,219,543.54/x
  3. Step 3: Cross multiply
    20,579,094.87x = 30,880,599.80 × 9,219,543.54
  4. Step 4: Simplify right side
    20,579,094.87x = 284,705,034,351,317.56
  5. Step 5: Solve for x
    x = 284,705,034,351,317.56/20,579,094.87
  6. Step 6: Final answer
    x = 13,834,672.33

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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.