Finding the Fourth Proportional to 11,656,109.18, 16,089,862.68 and 8,763,901.52
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Solution
The fourth proportional to 11,656,109.18, 16,089,862.68 and 8,763,901.52 is: 12,097,516.39
Step by Step Solution
- Step 1: Write the proportion equation
11,656,109.18 : 16,089,862.68 = 8,763,901.52 : x - Step 2: Convert to fraction form
11,656,109.18/16,089,862.68 = 8,763,901.52/x - Step 3: Cross multiply
11,656,109.18x = 16,089,862.68 × 8,763,901.52 - Step 4: Simplify right side
11,656,109.18x = 141,009,971,917,393.97 - Step 5: Solve for x
x = 141,009,971,917,393.97/11,656,109.18 - Step 6: Final answer
x = 12,097,516.39
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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.