Finding the Fourth Proportional to 13,488,279.48, 20,239,062.17 and 6,298,768.49
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Solution
The fourth proportional to 13,488,279.48, 20,239,062.17 and 6,298,768.49 is: 9,451,254.87
Step by Step Solution
- Step 1: Write the proportion equation
13,488,279.48 : 20,239,062.17 = 6,298,768.49 : x - Step 2: Convert to fraction form
13,488,279.48/20,239,062.17 = 6,298,768.49/x - Step 3: Cross multiply
13,488,279.48x = 20,239,062.17 × 6,298,768.49 - Step 4: Simplify right side
13,488,279.48x = 127,481,167,063,547.05 - Step 5: Solve for x
x = 127,481,167,063,547.05/13,488,279.48 - Step 6: Final answer
x = 9,451,254.87
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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.