Finding the Fourth Proportional to 30,402,425.29, 41,955,387.35 and 16,463,804.42
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Solution
The fourth proportional to 30,402,425.29, 41,955,387.35 and 16,463,804.42 is: 22,720,072.00
Step by Step Solution
- Step 1: Write the proportion equation
30,402,425.29 : 41,955,387.35 = 16,463,804.42 : x - Step 2: Convert to fraction form
30,402,425.29/41,955,387.35 = 16,463,804.42/x - Step 3: Cross multiply
30,402,425.29x = 41,955,387.35 × 16,463,804.42 - Step 4: Simplify right side
30,402,425.29x = 690,745,291,403,646.12 - Step 5: Solve for x
x = 690,745,291,403,646.12/30,402,425.29 - Step 6: Final answer
x = 22,720,072.00
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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.