Finding the Fourth Proportional to 10,859,330.68, 14,988,486.17 and 6,215,807.85
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Solution
The fourth proportional to 10,859,330.68, 14,988,486.17 and 6,215,807.85 is: 8,579,308.68
Step by Step Solution
- Step 1: Write the proportion equation
10,859,330.68 : 14,988,486.17 = 6,215,807.85 : x - Step 2: Convert to fraction form
10,859,330.68/14,988,486.17 = 6,215,807.85/x - Step 3: Cross multiply
10,859,330.68x = 14,988,486.17 × 6,215,807.85 - Step 4: Simplify right side
10,859,330.68x = 93,165,549,995,102.42 - Step 5: Solve for x
x = 93,165,549,995,102.42/10,859,330.68 - Step 6: Final answer
x = 8,579,308.68
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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.