Finding the Fourth Proportional to 29,977,561.31, 44,959,615.99 and 13,787,958.47
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Solution
The fourth proportional to 29,977,561.31, 44,959,615.99 and 13,787,958.47 is: 20,678,844.14
Step by Step Solution
- Step 1: Write the proportion equation
29,977,561.31 : 44,959,615.99 = 13,787,958.47 : x - Step 2: Convert to fraction form
29,977,561.31/44,959,615.99 = 13,787,958.47/x - Step 3: Cross multiply
29,977,561.31x = 44,959,615.99 × 13,787,958.47 - Step 4: Simplify right side
29,977,561.31x = 619,901,317,837,999.88 - Step 5: Solve for x
x = 619,901,317,837,999.88/29,977,561.31 - Step 6: Final answer
x = 20,678,844.14
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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.