Finding the Fourth Proportional to 17,975,430.39, 26,920,345.80 and 11,478,381.23
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Solution
The fourth proportional to 17,975,430.39, 26,920,345.80 and 11,478,381.23 is: 17,190,241.64
Step by Step Solution
- Step 1: Write the proportion equation
17,975,430.39 : 26,920,345.80 = 11,478,381.23 : x - Step 2: Convert to fraction form
17,975,430.39/26,920,345.80 = 11,478,381.23/x - Step 3: Cross multiply
17,975,430.39x = 26,920,345.80 × 11,478,381.23 - Step 4: Simplify right side
17,975,430.39x = 309,001,992,003,130.19 - Step 5: Solve for x
x = 309,001,992,003,130.19/17,975,430.39 - Step 6: Final answer
x = 17,190,241.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.