Finding the Fourth Proportional to 14,026,478.51, 19,353,251.35 and 8,519,699.99
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Solution
The fourth proportional to 14,026,478.51, 19,353,251.35 and 8,519,699.99 is: 11,755,188.25
Step by Step Solution
- Step 1: Write the proportion equation
14,026,478.51 : 19,353,251.35 = 8,519,699.99 : x - Step 2: Convert to fraction form
14,026,478.51/19,353,251.35 = 8,519,699.99/x - Step 3: Cross multiply
14,026,478.51x = 19,353,251.35 × 8,519,699.99 - Step 4: Simplify right side
14,026,478.51x = 164,883,895,333,062.50 - Step 5: Solve for x
x = 164,883,895,333,062.50/14,026,478.51 - Step 6: Final answer
x = 11,755,188.25
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1.5x scale
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.