Home / 10,128,057.37-15,192,063.54-7,825,898.03

Finding the Fourth Proportional to 10,128,057.37, 15,192,063.54 and 7,825,898.03

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Solution

The fourth proportional to 10,128,057.37, 15,192,063.54 and 7,825,898.03 is: 11,738,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,057.37 : 15,192,063.54 = 7,825,898.03 : x
  2. Step 2: Convert to fraction form
    10,128,057.37/15,192,063.54 = 7,825,898.03/x
  3. Step 3: Cross multiply
    10,128,057.37x = 15,192,063.54 × 7,825,898.03
  4. Step 4: Simplify right side
    10,128,057.37x = 118,891,540,053,360.50
  5. Step 5: Solve for x
    x = 118,891,540,053,360.50/10,128,057.37
  6. Step 6: Final answer
    x = 11,738,829.64

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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.