Finding the Fourth Proportional to 11,485,965.60, 15,850,738.80 and 6,329,511.66
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Solution
The fourth proportional to 11,485,965.60, 15,850,738.80 and 6,329,511.66 is: 8,734,784.65
Step by Step Solution
- Step 1: Write the proportion equation
11,485,965.60 : 15,850,738.80 = 6,329,511.66 : x - Step 2: Convert to fraction form
11,485,965.60/15,850,738.80 = 6,329,511.66/x - Step 3: Cross multiply
11,485,965.60x = 15,850,738.80 × 6,329,511.66 - Step 4: Simplify right side
11,485,965.60x = 100,327,436,054,214.42 - Step 5: Solve for x
x = 100,327,436,054,214.42/11,485,965.60 - Step 6: Final answer
x = 8,734,784.65
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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.