Finding the Fourth Proportional to 26,399,812.13, 36,431,821.70 and 14,639,908.54
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Solution
The fourth proportional to 26,399,812.13, 36,431,821.70 and 14,639,908.54 is: 20,203,118.68
Step by Step Solution
- Step 1: Write the proportion equation
26,399,812.13 : 36,431,821.70 = 14,639,908.54 : x - Step 2: Convert to fraction form
26,399,812.13/36,431,821.70 = 14,639,908.54/x - Step 3: Cross multiply
26,399,812.13x = 36,431,821.70 × 14,639,908.54 - Step 4: Simplify right side
26,399,812.13x = 533,358,537,531,202.25 - Step 5: Solve for x
x = 533,358,537,531,202.25/26,399,812.13 - Step 6: Final answer
x = 20,203,118.68
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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.