Home / 15,631,136.06-21,571,094.41-8,661,930.01

Finding the Fourth Proportional to 15,631,136.06, 21,571,094.41 and 8,661,930.01

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Solution

The fourth proportional to 15,631,136.06, 21,571,094.41 and 8,661,930.01 is: 11,953,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,136.06 : 21,571,094.41 = 8,661,930.01 : x
  2. Step 2: Convert to fraction form
    15,631,136.06/21,571,094.41 = 8,661,930.01/x
  3. Step 3: Cross multiply
    15,631,136.06x = 21,571,094.41 × 8,661,930.01
  4. Step 4: Simplify right side
    15,631,136.06x = 186,847,309,942,939.69
  5. Step 5: Solve for x
    x = 186,847,309,942,939.69/15,631,136.06
  6. Step 6: Final answer
    x = 11,953,533.59

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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.