Finding the Fourth Proportional to 19,129,263.12, 26,398,168.19 and 10,427,244.79
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Solution
The fourth proportional to 19,129,263.12, 26,398,168.19 and 10,427,244.79 is: 14,389,480.66
Step by Step Solution
- Step 1: Write the proportion equation
19,129,263.12 : 26,398,168.19 = 10,427,244.79 : x - Step 2: Convert to fraction form
19,129,263.12/26,398,168.19 = 10,427,244.79/x - Step 3: Cross multiply
19,129,263.12x = 26,398,168.19 × 10,427,244.79 - Step 4: Simplify right side
19,129,263.12x = 275,260,161,724,721.22 - Step 5: Solve for x
x = 275,260,161,724,721.22/19,129,263.12 - Step 6: Final answer
x = 14,389,480.66
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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.