Finding the Fourth Proportional to 21,709,759.82, 29,948,160.24 and 17,584,449.08
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Solution
The fourth proportional to 21,709,759.82, 29,948,160.24 and 17,584,449.08 is: 24,257,380.23
Step by Step Solution
- Step 1: Write the proportion equation
21,709,759.82 : 29,948,160.24 = 17,584,449.08 : x - Step 2: Convert to fraction form
21,709,759.82/29,948,160.24 = 17,584,449.08/x - Step 3: Cross multiply
21,709,759.82x = 29,948,160.24 × 17,584,449.08 - Step 4: Simplify right side
21,709,759.82x = 526,621,898,630,219.75 - Step 5: Solve for x
x = 526,621,898,630,219.75/21,709,759.82 - Step 6: Final answer
x = 24,257,380.23
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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.