Home / 13,612,316.24-20,431,926.54-7,222,568.59

Finding the Fourth Proportional to 13,612,316.24, 20,431,926.54 and 7,222,568.59

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Solution

The fourth proportional to 13,612,316.24, 20,431,926.54 and 7,222,568.59 is: 10,840,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,316.24 : 20,431,926.54 = 7,222,568.59 : x
  2. Step 2: Convert to fraction form
    13,612,316.24/20,431,926.54 = 7,222,568.59/x
  3. Step 3: Cross multiply
    13,612,316.24x = 20,431,926.54 × 7,222,568.59
  4. Step 4: Simplify right side
    13,612,316.24x = 147,570,990,886,531.28
  5. Step 5: Solve for x
    x = 147,570,990,886,531.28/13,612,316.24
  6. Step 6: Final answer
    x = 10,840,990.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.