Finding the Fourth Proportional to 10,182,983.28, 14,053,021.92 and 6,316,750.08
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Solution
The fourth proportional to 10,182,983.28, 14,053,021.92 and 6,316,750.08 is: 8,717,428.37
Step by Step Solution
- Step 1: Write the proportion equation
10,182,983.28 : 14,053,021.92 = 6,316,750.08 : x - Step 2: Convert to fraction form
10,182,983.28/14,053,021.92 = 6,316,750.08/x - Step 3: Cross multiply
10,182,983.28x = 14,053,021.92 × 6,316,750.08 - Step 4: Simplify right side
10,182,983.28x = 88,769,427,337,401.75 - Step 5: Solve for x
x = 88,769,427,337,401.75/10,182,983.28 - Step 6: Final answer
x = 8,717,428.37
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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.