Home / 20,689,481.93-31,036,799.30-7,041,579.50

Finding the Fourth Proportional to 20,689,481.93, 31,036,799.30 and 7,041,579.50

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Solution

The fourth proportional to 20,689,481.93, 31,036,799.30 and 7,041,579.50 is: 10,563,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,689,481.93 : 31,036,799.30 = 7,041,579.50 : x
  2. Step 2: Convert to fraction form
    20,689,481.93/31,036,799.30 = 7,041,579.50/x
  3. Step 3: Cross multiply
    20,689,481.93x = 31,036,799.30 × 7,041,579.50
  4. Step 4: Simplify right side
    20,689,481.93x = 218,548,089,738,878.47
  5. Step 5: Solve for x
    x = 218,548,089,738,878.47/20,689,481.93
  6. Step 6: Final answer
    x = 10,563,246.12

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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.