Home / 15,089,211.56-20,823,571.32-10,686,824.30

Finding the Fourth Proportional to 15,089,211.56, 20,823,571.32 and 10,686,824.30

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Solution

The fourth proportional to 15,089,211.56, 20,823,571.32 and 10,686,824.30 is: 14,748,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089,211.56 : 20,823,571.32 = 10,686,824.30 : x
  2. Step 2: Convert to fraction form
    15,089,211.56/20,823,571.32 = 10,686,824.30/x
  3. Step 3: Cross multiply
    15,089,211.56x = 20,823,571.32 × 10,686,824.30
  4. Step 4: Simplify right side
    15,089,211.56x = 222,537,847,995,359.09
  5. Step 5: Solve for x
    x = 222,537,847,995,359.09/15,089,211.56
  6. Step 6: Final answer
    x = 14,748,142.88

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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.