Finding the Fourth Proportional to 10,672,937.68, 14,728,677.80 and 5,778,211.36
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Solution
The fourth proportional to 10,672,937.68, 14,728,677.80 and 5,778,211.36 is: 7,973,944.56
Step by Step Solution
- Step 1: Write the proportion equation
10,672,937.68 : 14,728,677.80 = 5,778,211.36 : x - Step 2: Convert to fraction form
10,672,937.68/14,728,677.80 = 5,778,211.36/x - Step 3: Cross multiply
10,672,937.68x = 14,728,677.80 × 5,778,211.36 - Step 4: Simplify right side
10,672,937.68x = 85,105,413,381,739.81 - Step 5: Solve for x
x = 85,105,413,381,739.81/10,672,937.68 - Step 6: Final answer
x = 7,973,944.56
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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.