Finding the Fourth Proportional to 19,678,627.50, 27,155,193.75 and 11,306,266.62
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Solution
The fourth proportional to 19,678,627.50, 27,155,193.75 and 11,306,266.62 is: 15,601,894.02
Step by Step Solution
- Step 1: Write the proportion equation
19,678,627.50 : 27,155,193.75 = 11,306,266.62 : x - Step 2: Convert to fraction form
19,678,627.50/27,155,193.75 = 11,306,266.62/x - Step 3: Cross multiply
19,678,627.50x = 27,155,193.75 × 11,306,266.62 - Step 4: Simplify right side
19,678,627.50x = 307,023,860,655,257.62 - Step 5: Solve for x
x = 307,023,860,655,257.62/19,678,627.50 - Step 6: Final answer
x = 15,601,894.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.