Home / 15,401,028.56-21,253,425.57-8,432,157.71

Finding the Fourth Proportional to 15,401,028.56, 21,253,425.57 and 8,432,157.71

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Solution

The fourth proportional to 15,401,028.56, 21,253,425.57 and 8,432,157.71 is: 11,636,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,028.56 : 21,253,425.57 = 8,432,157.71 : x
  2. Step 2: Convert to fraction form
    15,401,028.56/21,253,425.57 = 8,432,157.71/x
  3. Step 3: Cross multiply
    15,401,028.56x = 21,253,425.57 × 8,432,157.71
  4. Step 4: Simplify right side
    15,401,028.56x = 179,212,236,337,120.22
  5. Step 5: Solve for x
    x = 179,212,236,337,120.22/15,401,028.56
  6. Step 6: Final answer
    x = 11,636,381.02

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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.