Finding the Fourth Proportional to 8,166,916.94, 12,249,442.28 and 2,183,751.50
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Solution
The fourth proportional to 8,166,916.94, 12,249,442.28 and 2,183,751.50 is: 3,275,377.74
Step by Step Solution
- Step 1: Write the proportion equation
8,166,916.94 : 12,249,442.28 = 2,183,751.50 : x - Step 2: Convert to fraction form
8,166,916.94/12,249,442.28 = 2,183,751.50/x - Step 3: Cross multiply
8,166,916.94x = 12,249,442.28 × 2,183,751.50 - Step 4: Simplify right side
8,166,916.94x = 26,749,737,897,325.59 - Step 5: Solve for x
x = 26,749,737,897,325.59/8,166,916.94 - Step 6: Final answer
x = 3,275,377.74
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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.