Home / 15,401,399.68-21,254,099.52-8,525,996.56

Finding the Fourth Proportional to 15,401,399.68, 21,254,099.52 and 8,525,996.56

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Solution

The fourth proportional to 15,401,399.68, 21,254,099.52 and 8,525,996.56 is: 11,765,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,399.68 : 21,254,099.52 = 8,525,996.56 : x
  2. Step 2: Convert to fraction form
    15,401,399.68/21,254,099.52 = 8,525,996.56/x
  3. Step 3: Cross multiply
    15,401,399.68x = 21,254,099.52 × 8,525,996.56
  4. Step 4: Simplify right side
    15,401,399.68x = 181,212,379,393,417.66
  5. Step 5: Solve for x
    x = 181,212,379,393,417.66/15,401,399.68
  6. Step 6: Final answer
    x = 11,765,968.23

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1.5x scale

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.