Finding the Fourth Proportional to 29,920,531.70, 44,880,809.85 and 7,201,428.95
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Solution
The fourth proportional to 29,920,531.70, 44,880,809.85 and 7,201,428.95 is: 10,802,146.38
Step by Step Solution
- Step 1: Write the proportion equation
29,920,531.70 : 44,880,809.85 = 7,201,428.95 : x - Step 2: Convert to fraction form
29,920,531.70/44,880,809.85 = 7,201,428.95/x - Step 3: Cross multiply
29,920,531.70x = 44,880,809.85 × 7,201,428.95 - Step 4: Simplify right side
29,920,531.70x = 323,205,963,128,831.12 - Step 5: Solve for x
x = 323,205,963,128,831.12/29,920,531.70 - Step 6: Final answer
x = 10,802,146.38
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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.