Finding the Fourth Proportional to 8,709,988.38, 13,064,138.36 and 2,644,773.42
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Solution
The fourth proportional to 8,709,988.38, 13,064,138.36 and 2,644,773.42 is: 3,966,903.79
Step by Step Solution
- Step 1: Write the proportion equation
8,709,988.38 : 13,064,138.36 = 2,644,773.42 : x - Step 2: Convert to fraction form
8,709,988.38/13,064,138.36 = 2,644,773.42/x - Step 3: Cross multiply
8,709,988.38x = 13,064,138.36 × 2,644,773.42 - Step 4: Simplify right side
8,709,988.38x = 34,551,685,876,506.52 - Step 5: Solve for x
x = 34,551,685,876,506.52/8,709,988.38 - Step 6: Final answer
x = 3,966,903.79
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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.