Home / 15,360,072.98-21,196,049.99-8,389,362.60

Finding the Fourth Proportional to 15,360,072.98, 21,196,049.99 and 8,389,362.60

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Solution

The fourth proportional to 15,360,072.98, 21,196,049.99 and 8,389,362.60 is: 11,576,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,072.98 : 21,196,049.99 = 8,389,362.60 : x
  2. Step 2: Convert to fraction form
    15,360,072.98/21,196,049.99 = 8,389,362.60/x
  3. Step 3: Cross multiply
    15,360,072.98x = 21,196,049.99 × 8,389,362.60
  4. Step 4: Simplify right side
    15,360,072.98x = 177,821,349,011,889.56
  5. Step 5: Solve for x
    x = 177,821,349,011,889.56/15,360,072.98
  6. Step 6: Final answer
    x = 11,576,855.74

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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.