Finding the Fourth Proportional to 13,853,045.62, 19,117,228.86 and 7,741,474.12
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Solution
The fourth proportional to 13,853,045.62, 19,117,228.86 and 7,741,474.12 is: 10,683,248.76
Step by Step Solution
- Step 1: Write the proportion equation
13,853,045.62 : 19,117,228.86 = 7,741,474.12 : x - Step 2: Convert to fraction form
13,853,045.62/19,117,228.86 = 7,741,474.12/x - Step 3: Cross multiply
13,853,045.62x = 19,117,228.86 × 7,741,474.12 - Step 4: Simplify right side
13,853,045.62x = 147,995,532,465,807.09 - Step 5: Solve for x
x = 147,995,532,465,807.09/13,853,045.62 - Step 6: Final answer
x = 10,683,248.76
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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.