Finding the Fourth Proportional to 7,809,260.64, 11,711,979.68 and 3,260,347.12
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Solution
The fourth proportional to 7,809,260.64, 11,711,979.68 and 3,260,347.12 is: 4,889,722.73
Step by Step Solution
- Step 1: Write the proportion equation
7,809,260.64 : 11,711,979.68 = 3,260,347.12 : x - Step 2: Convert to fraction form
7,809,260.64/11,711,979.68 = 3,260,347.12/x - Step 3: Cross multiply
7,809,260.64x = 11,711,979.68 × 3,260,347.12 - Step 4: Simplify right side
7,809,260.64x = 38,185,119,219,186.52 - Step 5: Solve for x
x = 38,185,119,219,186.52/7,809,260.64 - Step 6: Final answer
x = 4,889,722.73
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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.