Finding the Fourth Proportional to 13,128,784.44, 19,701,973.62 and 4,609,146.36
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Solution
The fourth proportional to 13,128,784.44, 19,701,973.62 and 4,609,146.36 is: 6,916,807.90
Step by Step Solution
- Step 1: Write the proportion equation
13,128,784.44 : 19,701,973.62 = 4,609,146.36 : x - Step 2: Convert to fraction form
13,128,784.44/19,701,973.62 = 4,609,146.36/x - Step 3: Cross multiply
13,128,784.44x = 19,701,973.62 × 4,609,146.36 - Step 4: Simplify right side
13,128,784.44x = 90,809,279,995,439.03 - Step 5: Solve for x
x = 90,809,279,995,439.03/13,128,784.44 - Step 6: Final answer
x = 6,916,807.90
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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.