Finding the Fourth Proportional to 19,317,166.08, 26,651,875.80 and 11,579,385.12
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Solution
The fourth proportional to 19,317,166.08, 26,651,875.80 and 11,579,385.12 is: 15,976,066.72
Step by Step Solution
- Step 1: Write the proportion equation
19,317,166.08 : 26,651,875.80 = 11,579,385.12 : x - Step 2: Convert to fraction form
19,317,166.08/26,651,875.80 = 11,579,385.12/x - Step 3: Cross multiply
19,317,166.08x = 26,651,875.80 × 11,579,385.12 - Step 4: Simplify right side
19,317,166.08x = 308,612,334,058,608.06 - Step 5: Solve for x
x = 308,612,334,058,608.06/19,317,166.08 - Step 6: Final answer
x = 15,976,066.72
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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.