Finding the Fourth Proportional to 7,759,862.72, 10,704,901.78 and 6,029,138.96
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Solution
The fourth proportional to 7,759,862.72, 10,704,901.78 and 6,029,138.96 is: 8,317,330.18
Step by Step Solution
- Step 1: Write the proportion equation
7,759,862.72 : 10,704,901.78 = 6,029,138.96 : x - Step 2: Convert to fraction form
7,759,862.72/10,704,901.78 = 6,029,138.96/x - Step 3: Cross multiply
7,759,862.72x = 10,704,901.78 × 6,029,138.96 - Step 4: Simplify right side
7,759,862.72x = 64,541,340,384,771.34 - Step 5: Solve for x
x = 64,541,340,384,771.34/7,759,862.72 - Step 6: Final answer
x = 8,317,330.18
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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.