Finding the Fourth Proportional to 19,644,975, 27,121,302.48 and 13,038,522.48
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Solution
The fourth proportional to 19,644,975, 27,121,302.48 and 13,038,522.48 is: 18,000,619.09
Step by Step Solution
- Step 1: Write the proportion equation
19,644,975 : 27,121,302.48 = 13,038,522.48 : x - Step 2: Convert to fraction form
19,644,975/27,121,302.48 = 13,038,522.48/x - Step 3: Cross multiply
19,644,975x = 27,121,302.48 × 13,038,522.48 - Step 4: Simplify right side
19,644,975x = 353,621,712,072,359.75 - Step 5: Solve for x
x = 353,621,712,072,359.75/19,644,975 - Step 6: Final answer
x = 18,000,619.09
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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.