Finding the Fourth Proportional to 13,752,167.58, 18,973,852.62 and 8,243,532.51
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Solution
The fourth proportional to 13,752,167.58, 18,973,852.62 and 8,243,532.51 is: 11,373,594.02
Step by Step Solution
- Step 1: Write the proportion equation
13,752,167.58 : 18,973,852.62 = 8,243,532.51 : x - Step 2: Convert to fraction form
13,752,167.58/18,973,852.62 = 8,243,532.51/x - Step 3: Cross multiply
13,752,167.58x = 18,973,852.62 × 8,243,532.51 - Step 4: Simplify right side
13,752,167.58x = 156,411,570,933,527.50 - Step 5: Solve for x
x = 156,411,570,933,527.50/13,752,167.58 - Step 6: Final answer
x = 11,373,594.02
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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.