Finding the Fourth Proportional to 27,205,640.76, 40,813,841.70 and 7,775,041.08
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Solution
The fourth proportional to 27,205,640.76, 40,813,841.70 and 7,775,041.08 is: 11,664,099.32
Step by Step Solution
- Step 1: Write the proportion equation
27,205,640.76 : 40,813,841.70 = 7,775,041.08 : x - Step 2: Convert to fraction form
27,205,640.76/40,813,841.70 = 7,775,041.08/x - Step 3: Cross multiply
27,205,640.76x = 40,813,841.70 × 7,775,041.08 - Step 4: Simplify right side
27,205,640.76x = 317,329,295,850,117.06 - Step 5: Solve for x
x = 317,329,295,850,117.06/27,205,640.76 - Step 6: Final answer
x = 11,664,099.32
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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.