Finding the Fourth Proportional to 8,458,070.76, 11,671,840.80 and 4,590,514.08
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Solution
The fourth proportional to 8,458,070.76, 11,671,840.80 and 4,590,514.08 is: 6,334,748.32
Step by Step Solution
- Step 1: Write the proportion equation
8,458,070.76 : 11,671,840.80 = 4,590,514.08 : x - Step 2: Convert to fraction form
8,458,070.76/11,671,840.80 = 4,590,514.08/x - Step 3: Cross multiply
8,458,070.76x = 11,671,840.80 × 4,590,514.08 - Step 4: Simplify right side
8,458,070.76x = 53,579,749,531,918.47 - Step 5: Solve for x
x = 53,579,749,531,918.47/8,458,070.76 - Step 6: Final answer
x = 6,334,748.32
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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.