Finding the Fourth Proportional to 14,299,959.60, 19,734,352.68 and 8,718,528.24
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Solution
The fourth proportional to 14,299,959.60, 19,734,352.68 and 8,718,528.24 is: 12,031,817.99
Step by Step Solution
- Step 1: Write the proportion equation
14,299,959.60 : 19,734,352.68 = 8,718,528.24 : x - Step 2: Convert to fraction form
14,299,959.60/19,734,352.68 = 8,718,528.24/x - Step 3: Cross multiply
14,299,959.60x = 19,734,352.68 × 8,718,528.24 - Step 4: Simplify right side
14,299,959.60x = 172,054,511,138,699.69 - Step 5: Solve for x
x = 172,054,511,138,699.69/14,299,959.60 - Step 6: Final answer
x = 12,031,817.99
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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.