Finding the Fourth Proportional to 43,185,751.09, 64,778,625.42 and 14,431,885.90
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Solution
The fourth proportional to 43,185,751.09, 64,778,625.42 and 14,431,885.90 is: 21,647,828.44
Step by Step Solution
- Step 1: Write the proportion equation
43,185,751.09 : 64,778,625.42 = 14,431,885.90 : x - Step 2: Convert to fraction form
43,185,751.09/64,778,625.42 = 14,431,885.90/x - Step 3: Cross multiply
43,185,751.09x = 64,778,625.42 × 14,431,885.90 - Step 4: Simplify right side
43,185,751.09x = 934,877,730,820,279.62 - Step 5: Solve for x
x = 934,877,730,820,279.62/43,185,751.09 - Step 6: Final answer
x = 21,647,828.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.