Finding the Fourth Proportional to 12,057,225.12, 16,634,855.55 and 7,471,873.44
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Solution
The fourth proportional to 12,057,225.12, 16,634,855.55 and 7,471,873.44 is: 10,308,635.21
Step by Step Solution
- Step 1: Write the proportion equation
12,057,225.12 : 16,634,855.55 = 7,471,873.44 : x - Step 2: Convert to fraction form
12,057,225.12/16,634,855.55 = 7,471,873.44/x - Step 3: Cross multiply
12,057,225.12x = 16,634,855.55 × 7,471,873.44 - Step 4: Simplify right side
12,057,225.12x = 124,293,535,362,281.61 - Step 5: Solve for x
x = 124,293,535,362,281.61/12,057,225.12 - Step 6: Final answer
x = 10,308,635.21
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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.