Finding the Fourth Proportional to 18,638,862.16, 27,945,958.38 and 8,924,908
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Solution
The fourth proportional to 18,638,862.16, 27,945,958.38 and 8,924,908 is: 13,381,455.66
Step by Step Solution
- Step 1: Write the proportion equation
18,638,862.16 : 27,945,958.38 = 8,924,908 : x - Step 2: Convert to fraction form
18,638,862.16/27,945,958.38 = 8,924,908/x - Step 3: Cross multiply
18,638,862.16x = 27,945,958.38 × 8,924,908 - Step 4: Simplify right side
18,638,862.16x = 249,415,107,513,329.03 - Step 5: Solve for x
x = 249,415,107,513,329.03/18,638,862.16 - Step 6: Final answer
x = 13,381,455.66
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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.