Finding the Fourth Proportional to 11,038,193.64, 15,233,208.84 and 6,143,729.22
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Solution
The fourth proportional to 11,038,193.64, 15,233,208.84 and 6,143,729.22 is: 8,478,625.52
Step by Step Solution
- Step 1: Write the proportion equation
11,038,193.64 : 15,233,208.84 = 6,143,729.22 : x - Step 2: Convert to fraction form
11,038,193.64/15,233,208.84 = 6,143,729.22/x - Step 3: Cross multiply
11,038,193.64x = 15,233,208.84 × 6,143,729.22 - Step 4: Simplify right side
11,038,193.64x = 93,588,710,264,670.30 - Step 5: Solve for x
x = 93,588,710,264,670.30/11,038,193.64 - Step 6: Final answer
x = 8,478,625.52
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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.