Home / 15,036,769.45-20,750,762.01-8,161,249.69

Finding the Fourth Proportional to 15,036,769.45, 20,750,762.01 and 8,161,249.69

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Solution

The fourth proportional to 15,036,769.45, 20,750,762.01 and 8,161,249.69 is: 11,262,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,769.45 : 20,750,762.01 = 8,161,249.69 : x
  2. Step 2: Convert to fraction form
    15,036,769.45/20,750,762.01 = 8,161,249.69/x
  3. Step 3: Cross multiply
    15,036,769.45x = 20,750,762.01 × 8,161,249.69
  4. Step 4: Simplify right side
    15,036,769.45x = 169,352,150,021,376.31
  5. Step 5: Solve for x
    x = 169,352,150,021,376.31/15,036,769.45
  6. Step 6: Final answer
    x = 11,262,535.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.