Finding the Fourth Proportional to 12,750,979.68, 17,596,358.56 and 7,244,364.16
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Solution
The fourth proportional to 12,750,979.68, 17,596,358.56 and 7,244,364.16 is: 9,997,226.29
Step by Step Solution
- Step 1: Write the proportion equation
12,750,979.68 : 17,596,358.56 = 7,244,364.16 : x - Step 2: Convert to fraction form
12,750,979.68/17,596,358.56 = 7,244,364.16/x - Step 3: Cross multiply
12,750,979.68x = 17,596,358.56 × 7,244,364.16 - Step 4: Simplify right side
12,750,979.68x = 127,474,429,298,573.20 - Step 5: Solve for x
x = 127,474,429,298,573.20/12,750,979.68 - Step 6: Final answer
x = 9,997,226.29
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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.