Finding the Fourth Proportional to 15,115,850.67, 22,670,039.26 and 6,478,971.70
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Solution
The fourth proportional to 15,115,850.67, 22,670,039.26 and 6,478,971.70 is: 9,716,855.90
Step by Step Solution
- Step 1: Write the proportion equation
15,115,850.67 : 22,670,039.26 = 6,478,971.70 : x - Step 2: Convert to fraction form
15,115,850.67/22,670,039.26 = 6,478,971.70/x - Step 3: Cross multiply
15,115,850.67x = 22,670,039.26 × 6,478,971.70 - Step 4: Simplify right side
15,115,850.67x = 146,878,542,657,683.88 - Step 5: Solve for x
x = 146,878,542,657,683.88/15,115,850.67 - Step 6: Final answer
x = 9,716,855.90
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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.