Finding the Fourth Proportional to 7,427,412.83, 11,141,157.69 and 3,381,070.88
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Solution
The fourth proportional to 7,427,412.83, 11,141,157.69 and 3,381,070.88 is: 5,071,623.82
Step by Step Solution
- Step 1: Write the proportion equation
7,427,412.83 : 11,141,157.69 = 3,381,070.88 : x - Step 2: Convert to fraction form
7,427,412.83/11,141,157.69 = 3,381,070.88/x - Step 3: Cross multiply
7,427,412.83x = 11,141,157.69 × 3,381,070.88 - Step 4: Simplify right side
7,427,412.83x = 37,669,043,835,147.06 - Step 5: Solve for x
x = 37,669,043,835,147.06/7,427,412.83 - Step 6: Final answer
x = 5,071,623.82
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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.