Finding the Fourth Proportional to 14,246,968.08, 19,657,918.44 and 8,443,195.92
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Solution
The fourth proportional to 14,246,968.08, 19,657,918.44 and 8,443,195.92 is: 11,649,893.21
Step by Step Solution
- Step 1: Write the proportion equation
14,246,968.08 : 19,657,918.44 = 8,443,195.92 : x - Step 2: Convert to fraction form
14,246,968.08/19,657,918.44 = 8,443,195.92/x - Step 3: Cross multiply
14,246,968.08x = 19,657,918.44 × 8,443,195.92 - Step 4: Simplify right side
14,246,968.08x = 165,975,656,768,300.78 - Step 5: Solve for x
x = 165,975,656,768,300.78/14,246,968.08 - Step 6: Final answer
x = 11,649,893.21
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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.