Finding the Fourth Proportional to 13,276,614.92, 19,906,674.06 and 5,596,307.96
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Solution
The fourth proportional to 13,276,614.92, 19,906,674.06 and 5,596,307.96 is: 8,390,985.14
Step by Step Solution
- Step 1: Write the proportion equation
13,276,614.92 : 19,906,674.06 = 5,596,307.96 : x - Step 2: Convert to fraction form
13,276,614.92/19,906,674.06 = 5,596,307.96/x - Step 3: Cross multiply
13,276,614.92x = 19,906,674.06 × 5,596,307.96 - Step 4: Simplify right side
13,276,614.92x = 111,403,878,499,103.52 - Step 5: Solve for x
x = 111,403,878,499,103.52/13,276,614.92 - Step 6: Final answer
x = 8,390,985.14
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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.