Finding the Fourth Proportional to 41,130,866.99, 61,703,236.74 and 13,830,670.16
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Solution
The fourth proportional to 41,130,866.99, 61,703,236.74 and 13,830,670.16 is: 20,748,337.63
Step by Step Solution
- Step 1: Write the proportion equation
41,130,866.99 : 61,703,236.74 = 13,830,670.16 : x - Step 2: Convert to fraction form
41,130,866.99/61,703,236.74 = 13,830,670.16/x - Step 3: Cross multiply
41,130,866.99x = 61,703,236.74 × 13,830,670.16 - Step 4: Simplify right side
41,130,866.99x = 853,397,115,155,333.75 - Step 5: Solve for x
x = 853,397,115,155,333.75/41,130,866.99 - Step 6: Final answer
x = 20,748,337.63
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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.