Finding the Fourth Proportional to 19,403,506.25, 29,125,446.83 and 14,291,708.21
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Solution
The fourth proportional to 19,403,506.25, 29,125,446.83 and 14,291,708.21 is: 21,452,431.44
Step by Step Solution
- Step 1: Write the proportion equation
19,403,506.25 : 29,125,446.83 = 14,291,708.21 : x - Step 2: Convert to fraction form
19,403,506.25/29,125,446.83 = 14,291,708.21/x - Step 3: Cross multiply
19,403,506.25x = 29,125,446.83 × 14,291,708.21 - Step 4: Simplify right side
19,403,506.25x = 416,252,387,580,229.50 - Step 5: Solve for x
x = 416,252,387,580,229.50/19,403,506.25 - Step 6: Final answer
x = 21,452,431.44
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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.