Finding the Fourth Proportional to 14,658,062.08, 20,228,149.30 and 8,131,691.74
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Solution
The fourth proportional to 14,658,062.08, 20,228,149.30 and 8,131,691.74 is: 11,221,747.71
Step by Step Solution
- Step 1: Write the proportion equation
14,658,062.08 : 20,228,149.30 = 8,131,691.74 : x - Step 2: Convert to fraction form
14,658,062.08/20,228,149.30 = 8,131,691.74/x - Step 3: Cross multiply
14,658,062.08x = 20,228,149.30 × 8,131,691.74 - Step 4: Simplify right side
14,658,062.08x = 164,489,074,578,296.78 - Step 5: Solve for x
x = 164,489,074,578,296.78/14,658,062.08 - Step 6: Final answer
x = 11,221,747.71
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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.