Finding the Fourth Proportional to 23,256,014.70, 34,821,036.45 and 18,217,166.70
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Solution
The fourth proportional to 23,256,014.70, 34,821,036.45 and 18,217,166.70 is: 27,276,411.45
Step by Step Solution
- Step 1: Write the proportion equation
23,256,014.70 : 34,821,036.45 = 18,217,166.70 : x - Step 2: Convert to fraction form
23,256,014.70/34,821,036.45 = 18,217,166.70/x - Step 3: Cross multiply
23,256,014.70x = 34,821,036.45 × 18,217,166.70 - Step 4: Simplify right side
23,256,014.70x = 634,340,625,676,426.25 - Step 5: Solve for x
x = 634,340,625,676,426.25/23,256,014.70 - Step 6: Final answer
x = 27,276,411.45
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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.