Finding the Fourth Proportional to 13,853,032.59, 19,117,210.92 and 7,741,461.09
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Solution
The fourth proportional to 13,853,032.59, 19,117,210.92 and 7,741,461.09 is: 10,683,230.80
Step by Step Solution
- Step 1: Write the proportion equation
13,853,032.59 : 19,117,210.92 = 7,741,461.09 : x - Step 2: Convert to fraction form
13,853,032.59/19,117,210.92 = 7,741,461.09/x - Step 3: Cross multiply
13,853,032.59x = 19,117,210.92 × 7,741,461.09 - Step 4: Simplify right side
13,853,032.59x = 147,995,144,486,503.12 - Step 5: Solve for x
x = 147,995,144,486,503.12/13,853,032.59 - Step 6: Final answer
x = 10,683,230.80
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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.