Finding the Fourth Proportional to 21,366,047.98, 29,486,592.84 and 12,070,394.02
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Solution
The fourth proportional to 21,366,047.98, 29,486,592.84 and 12,070,394.02 is: 16,657,961.00
Step by Step Solution
- Step 1: Write the proportion equation
21,366,047.98 : 29,486,592.84 = 12,070,394.02 : x - Step 2: Convert to fraction form
21,366,047.98/29,486,592.84 = 12,070,394.02/x - Step 3: Cross multiply
21,366,047.98x = 29,486,592.84 × 12,070,394.02 - Step 4: Simplify right side
21,366,047.98x = 355,914,793,886,110.81 - Step 5: Solve for x
x = 355,914,793,886,110.81/21,366,047.98 - Step 6: Final answer
x = 16,657,961.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.