Finding the Fourth Proportional to 7,107,373.44, 9,808,407.36 and 3,888,109.44
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Solution
The fourth proportional to 7,107,373.44, 9,808,407.36 and 3,888,109.44 is: 5,365,717.95
Step by Step Solution
- Step 1: Write the proportion equation
7,107,373.44 : 9,808,407.36 = 3,888,109.44 : x - Step 2: Convert to fraction form
7,107,373.44/9,808,407.36 = 3,888,109.44/x - Step 3: Cross multiply
7,107,373.44x = 9,808,407.36 × 3,888,109.44 - Step 4: Simplify right side
7,107,373.44x = 38,136,161,247,781.48 - Step 5: Solve for x
x = 38,136,161,247,781.48/7,107,373.44 - Step 6: Final answer
x = 5,365,717.95
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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.