Finding the Fourth Proportional to 19,387,447.88, 26,754,543.96 and 10,685,625.08
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Solution
The fourth proportional to 19,387,447.88, 26,754,543.96 and 10,685,625.08 is: 14,746,088.69
Step by Step Solution
- Step 1: Write the proportion equation
19,387,447.88 : 26,754,543.96 = 10,685,625.08 : x - Step 2: Convert to fraction form
19,387,447.88/26,754,543.96 = 10,685,625.08/x - Step 3: Cross multiply
19,387,447.88x = 26,754,543.96 × 10,685,625.08 - Step 4: Simplify right side
19,387,447.88x = 285,889,025,942,938.50 - Step 5: Solve for x
x = 285,889,025,942,938.50/19,387,447.88 - Step 6: Final answer
x = 14,746,088.69
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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.