Finding the Fourth Proportional to 23,180,086.68, 31,988,643.12 and 14,483,302.62
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Solution
The fourth proportional to 23,180,086.68, 31,988,643.12 and 14,483,302.62 is: 19,987,034.78
Step by Step Solution
- Step 1: Write the proportion equation
23,180,086.68 : 31,988,643.12 = 14,483,302.62 : x - Step 2: Convert to fraction form
23,180,086.68/31,988,643.12 = 14,483,302.62/x - Step 3: Cross multiply
23,180,086.68x = 31,988,643.12 × 14,483,302.62 - Step 4: Simplify right side
23,180,086.68x = 463,301,198,710,140.94 - Step 5: Solve for x
x = 463,301,198,710,140.94/23,180,086.68 - Step 6: Final answer
x = 19,987,034.78
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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.