Finding the Fourth Proportional to 11,691,135.61, 16,133,116.35 and 6,463,841.56
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Solution
The fourth proportional to 11,691,135.61, 16,133,116.35 and 6,463,841.56 is: 8,919,741.55
Step by Step Solution
- Step 1: Write the proportion equation
11,691,135.61 : 16,133,116.35 = 6,463,841.56 : x - Step 2: Convert to fraction form
11,691,135.61/16,133,116.35 = 6,463,841.56/x - Step 3: Cross multiply
11,691,135.61x = 16,133,116.35 × 6,463,841.56 - Step 4: Simplify right side
11,691,135.61x = 104,281,908,011,924.58 - Step 5: Solve for x
x = 104,281,908,011,924.58/11,691,135.61 - Step 6: Final answer
x = 8,919,741.55
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1.5x scale
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.