Home / 15,401,393.66-21,254,173.91-8,431,953.59

Finding the Fourth Proportional to 15,401,393.66, 21,254,173.91 and 8,431,953.59

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Solution

The fourth proportional to 15,401,393.66, 21,254,173.91 and 8,431,953.59 is: 11,636,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,393.66 : 21,254,173.91 = 8,431,953.59 : x
  2. Step 2: Convert to fraction form
    15,401,393.66/21,254,173.91 = 8,431,953.59/x
  3. Step 3: Cross multiply
    15,401,393.66x = 21,254,173.91 × 8,431,953.59
  4. Step 4: Simplify right side
    15,401,393.66x = 179,214,208,002,908.84
  5. Step 5: Solve for x
    x = 179,214,208,002,908.84/15,401,393.66
  6. Step 6: Final answer
    x = 11,636,233.19

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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.