Finding the Fourth Proportional to 19,038,874.92, 26,295,279.84 and 12,833,218.68
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Solution
The fourth proportional to 19,038,874.92, 26,295,279.84 and 12,833,218.68 is: 17,724,423.21
Step by Step Solution
- Step 1: Write the proportion equation
19,038,874.92 : 26,295,279.84 = 12,833,218.68 : x - Step 2: Convert to fraction form
19,038,874.92/26,295,279.84 = 12,833,218.68/x - Step 3: Cross multiply
19,038,874.92x = 26,295,279.84 × 12,833,218.68 - Step 4: Simplify right side
19,038,874.92x = 337,453,076,438,515.38 - Step 5: Solve for x
x = 337,453,076,438,515.38/19,038,874.92 - Step 6: Final answer
x = 17,724,423.21
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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.