Finding the Fourth Proportional to 7,490,498.02, 11,206,184.25 and 5,771,618.99
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Solution
The fourth proportional to 7,490,498.02, 11,206,184.25 and 5,771,618.99 is: 8,634,649.62
Step by Step Solution
- Step 1: Write the proportion equation
7,490,498.02 : 11,206,184.25 = 5,771,618.99 : x - Step 2: Convert to fraction form
7,490,498.02/11,206,184.25 = 5,771,618.99/x - Step 3: Cross multiply
7,490,498.02x = 11,206,184.25 × 5,771,618.99 - Step 4: Simplify right side
7,490,498.02x = 64,677,825,830,374.74 - Step 5: Solve for x
x = 64,677,825,830,374.74/7,490,498.02 - Step 6: Final answer
x = 8,634,649.62
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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.