Finding the Fourth Proportional to 7,236,235.08, 9,986,018.58 and 4,016,971.08
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Solution
The fourth proportional to 7,236,235.08, 9,986,018.58 and 4,016,971.08 is: 5,543,427.96
Step by Step Solution
- Step 1: Write the proportion equation
7,236,235.08 : 9,986,018.58 = 4,016,971.08 : x - Step 2: Convert to fraction form
7,236,235.08/9,986,018.58 = 4,016,971.08/x - Step 3: Cross multiply
7,236,235.08x = 9,986,018.58 × 4,016,971.08 - Step 4: Simplify right side
7,236,235.08x = 40,113,547,840,202.66 - Step 5: Solve for x
x = 40,113,547,840,202.66/7,236,235.08 - Step 6: Final answer
x = 5,543,427.96
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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.