Finding the Fourth Proportional to 19,853,589.42, 29,771,920.42 and 7,555,454.18
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Solution
The fourth proportional to 19,853,589.42, 29,771,920.42 and 7,555,454.18 is: 11,329,960.33
Step by Step Solution
- Step 1: Write the proportion equation
19,853,589.42 : 29,771,920.42 = 7,555,454.18 : x - Step 2: Convert to fraction form
19,853,589.42/29,771,920.42 = 7,555,454.18/x - Step 3: Cross multiply
19,853,589.42x = 29,771,920.42 × 7,555,454.18 - Step 4: Simplify right side
19,853,589.42x = 224,940,380,583,916.38 - Step 5: Solve for x
x = 224,940,380,583,916.38/19,853,589.42 - Step 6: Final answer
x = 11,329,960.33
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1.5x scale
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.