Finding the Fourth Proportional to 27,213,019.12, 37,553,968.42 and 14,989,876.12
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Solution
The fourth proportional to 27,213,019.12, 37,553,968.42 and 14,989,876.12 is: 20,686,030.17
Step by Step Solution
- Step 1: Write the proportion equation
27,213,019.12 : 37,553,968.42 = 14,989,876.12 : x - Step 2: Convert to fraction form
27,213,019.12/37,553,968.42 = 14,989,876.12/x - Step 3: Cross multiply
27,213,019.12x = 37,553,968.42 × 14,989,876.12 - Step 4: Simplify right side
27,213,019.12x = 562,929,334,430,192.12 - Step 5: Solve for x
x = 562,929,334,430,192.12/27,213,019.12 - Step 6: Final answer
x = 20,686,030.17
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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.