Home / 18,579,601.72-27,872,991.60-7,064,173.60

Finding the Fourth Proportional to 18,579,601.72, 27,872,991.60 and 7,064,173.60

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Solution

The fourth proportional to 18,579,601.72, 27,872,991.60 and 7,064,173.60 is: 10,597,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579,601.72 : 27,872,991.60 = 7,064,173.60 : x
  2. Step 2: Convert to fraction form
    18,579,601.72/27,872,991.60 = 7,064,173.60/x
  3. Step 3: Cross multiply
    18,579,601.72x = 27,872,991.60 × 7,064,173.60
  4. Step 4: Simplify right side
    18,579,601.72x = 196,899,651,461,828.34
  5. Step 5: Solve for x
    x = 196,899,651,461,828.34/18,579,601.72
  6. Step 6: Final answer
    x = 10,597,624.99

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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.