Finding the Fourth Proportional to 28,483,874.73, 42,725,812.61 and 6,918,331.09
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Solution
The fourth proportional to 28,483,874.73, 42,725,812.61 and 6,918,331.09 is: 10,377,496.75
Step by Step Solution
- Step 1: Write the proportion equation
28,483,874.73 : 42,725,812.61 = 6,918,331.09 : x - Step 2: Convert to fraction form
28,483,874.73/42,725,812.61 = 6,918,331.09/x - Step 3: Cross multiply
28,483,874.73x = 42,725,812.61 × 6,918,331.09 - Step 4: Simplify right side
28,483,874.73x = 295,591,317,583,870.88 - Step 5: Solve for x
x = 295,591,317,583,870.88/28,483,874.73 - Step 6: Final answer
x = 10,377,496.75
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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.