Finding the Fourth Proportional to 24,078,307.74, 33,226,428.87 and 13,213,991.58
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Solution
The fourth proportional to 24,078,307.74, 33,226,428.87 and 13,213,991.58 is: 18,234,410.66
Step by Step Solution
- Step 1: Write the proportion equation
24,078,307.74 : 33,226,428.87 = 13,213,991.58 : x - Step 2: Convert to fraction form
24,078,307.74/33,226,428.87 = 13,213,991.58/x - Step 3: Cross multiply
24,078,307.74x = 33,226,428.87 × 13,213,991.58 - Step 4: Simplify right side
24,078,307.74x = 439,053,751,321,648.94 - Step 5: Solve for x
x = 439,053,751,321,648.94/24,078,307.74 - Step 6: Final answer
x = 18,234,410.66
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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.