Home / 10,621,582.40-15,932,321.03-9,177,872.54

Finding the Fourth Proportional to 10,621,582.40, 15,932,321.03 and 9,177,872.54

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Solution

The fourth proportional to 10,621,582.40, 15,932,321.03 and 9,177,872.54 is: 13,766,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,582.40 : 15,932,321.03 = 9,177,872.54 : x
  2. Step 2: Convert to fraction form
    10,621,582.40/15,932,321.03 = 9,177,872.54/x
  3. Step 3: Cross multiply
    10,621,582.40x = 15,932,321.03 × 9,177,872.54
  4. Step 4: Simplify right side
    10,621,582.40x = 146,224,811,622,984.59
  5. Step 5: Solve for x
    x = 146,224,811,622,984.59/10,621,582.40
  6. Step 6: Final answer
    x = 13,766,763.38

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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.