Finding the Fourth Proportional to 19,517,278.40, 29,275,705.76 and 8,000,177.97
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Solution
The fourth proportional to 19,517,278.40, 29,275,705.76 and 8,000,177.97 is: 12,000,180.12
Step by Step Solution
- Step 1: Write the proportion equation
19,517,278.40 : 29,275,705.76 = 8,000,177.97 : x - Step 2: Convert to fraction form
19,517,278.40/29,275,705.76 = 8,000,177.97/x - Step 3: Cross multiply
19,517,278.40x = 29,275,705.76 × 8,000,177.97 - Step 4: Simplify right side
19,517,278.40x = 234,210,856,277,354.12 - Step 5: Solve for x
x = 234,210,856,277,354.12/19,517,278.40 - Step 6: Final answer
x = 12,000,180.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.