Finding the Fourth Proportional to 34,623,134.76, 47,778,514.02 and 19,939,354.32
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Solution
The fourth proportional to 34,623,134.76, 47,778,514.02 and 19,939,354.32 is: 27,515,495.82
Step by Step Solution
- Step 1: Write the proportion equation
34,623,134.76 : 47,778,514.02 = 19,939,354.32 : x - Step 2: Convert to fraction form
34,623,134.76/47,778,514.02 = 19,939,354.32/x - Step 3: Cross multiply
34,623,134.76x = 47,778,514.02 × 19,939,354.32 - Step 4: Simplify right side
34,623,134.76x = 952,672,719,927,867.62 - Step 5: Solve for x
x = 952,672,719,927,867.62/34,623,134.76 - Step 6: Final answer
x = 27,515,495.82
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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.