Finding the Fourth Proportional to 19,675,436.18, 27,152,138.16 and 10,974,169.63
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Solution
The fourth proportional to 19,675,436.18, 27,152,138.16 and 10,974,169.63 is: 15,144,374.30
Step by Step Solution
- Step 1: Write the proportion equation
19,675,436.18 : 27,152,138.16 = 10,974,169.63 : x - Step 2: Convert to fraction form
19,675,436.18/27,152,138.16 = 10,974,169.63/x - Step 3: Cross multiply
19,675,436.18x = 27,152,138.16 × 10,974,169.63 - Step 4: Simplify right side
19,675,436.18x = 297,972,169,985,036.12 - Step 5: Solve for x
x = 297,972,169,985,036.12/19,675,436.18 - Step 6: Final answer
x = 15,144,374.30
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1.5x scale
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.