Finding the Fourth Proportional to 29,039,718.40, 43,517,587.20 and 12,852,419.20
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Solution
The fourth proportional to 29,039,718.40, 43,517,587.20 and 12,852,419.20 is: 19,260,044.66
Step by Step Solution
- Step 1: Write the proportion equation
29,039,718.40 : 43,517,587.20 = 12,852,419.20 : x - Step 2: Convert to fraction form
29,039,718.40/43,517,587.20 = 12,852,419.20/x - Step 3: Cross multiply
29,039,718.40x = 43,517,587.20 × 12,852,419.20 - Step 4: Simplify right side
29,039,718.40x = 559,306,273,266,954.25 - Step 5: Solve for x
x = 559,306,273,266,954.25/29,039,718.40 - Step 6: Final answer
x = 19,260,044.66
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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.