Home / 15,401,436.03-21,254,233.41-8,431,997.31

Finding the Fourth Proportional to 15,401,436.03, 21,254,233.41 and 8,431,997.31

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Solution

The fourth proportional to 15,401,436.03, 21,254,233.41 and 8,431,997.31 is: 11,636,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,436.03 : 21,254,233.41 = 8,431,997.31 : x
  2. Step 2: Convert to fraction form
    15,401,436.03/21,254,233.41 = 8,431,997.31/x
  3. Step 3: Cross multiply
    15,401,436.03x = 21,254,233.41 × 8,431,997.31
  4. Step 4: Simplify right side
    15,401,436.03x = 179,215,638,939,232.12
  5. Step 5: Solve for x
    x = 179,215,638,939,232.12/15,401,436.03
  6. Step 6: Final answer
    x = 11,636,294.08

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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.