Finding the Fourth Proportional to 11,830,415.79, 16,326,022.98 and 6,397,907.79
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Solution
The fourth proportional to 11,830,415.79, 16,326,022.98 and 6,397,907.79 is: 8,829,139.35
Step by Step Solution
- Step 1: Write the proportion equation
11,830,415.79 : 16,326,022.98 = 6,397,907.79 : x - Step 2: Convert to fraction form
11,830,415.79/16,326,022.98 = 6,397,907.79/x - Step 3: Cross multiply
11,830,415.79x = 16,326,022.98 × 6,397,907.79 - Step 4: Simplify right side
11,830,415.79x = 104,452,389,603,461.02 - Step 5: Solve for x
x = 104,452,389,603,461.02/11,830,415.79 - Step 6: Final answer
x = 8,829,139.35
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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.