Finding the Fourth Proportional to 14,280,031.91, 19,705,891.32 and 7,753,511.99
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Solution
The fourth proportional to 14,280,031.91, 19,705,891.32 and 7,753,511.99 is: 10,699,546.44
Step by Step Solution
- Step 1: Write the proportion equation
14,280,031.91 : 19,705,891.32 = 7,753,511.99 : x - Step 2: Convert to fraction form
14,280,031.91/19,705,891.32 = 7,753,511.99/x - Step 3: Cross multiply
14,280,031.91x = 19,705,891.32 × 7,753,511.99 - Step 4: Simplify right side
14,280,031.91x = 152,789,864,524,727.47 - Step 5: Solve for x
x = 152,789,864,524,727.47/14,280,031.91 - Step 6: Final answer
x = 10,699,546.44
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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.