Finding the Fourth Proportional to 15,214,768.44, 20,996,888.22 and 8,339,268.12
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Solution
The fourth proportional to 15,214,768.44, 20,996,888.22 and 8,339,268.12 is: 11,508,468.32
Step by Step Solution
- Step 1: Write the proportion equation
15,214,768.44 : 20,996,888.22 = 8,339,268.12 : x - Step 2: Convert to fraction form
15,214,768.44/20,996,888.22 = 8,339,268.12/x - Step 3: Cross multiply
15,214,768.44x = 20,996,888.22 × 8,339,268.12 - Step 4: Simplify right side
15,214,768.44x = 175,098,680,552,249.53 - Step 5: Solve for x
x = 175,098,680,552,249.53/15,214,768.44 - Step 6: Final answer
x = 11,508,468.32
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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.