Finding the Fourth Proportional to 12,470,666.99, 18,705,778.92 and 3,950,782.02
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Solution
The fourth proportional to 12,470,666.99, 18,705,778.92 and 3,950,782.02 is: 5,926,102.84
Step by Step Solution
- Step 1: Write the proportion equation
12,470,666.99 : 18,705,778.92 = 3,950,782.02 : x - Step 2: Convert to fraction form
12,470,666.99/18,705,778.92 = 3,950,782.02/x - Step 3: Cross multiply
12,470,666.99x = 18,705,778.92 × 3,950,782.02 - Step 4: Simplify right side
12,470,666.99x = 73,902,455,027,231.03 - Step 5: Solve for x
x = 73,902,455,027,231.03/12,470,666.99 - Step 6: Final answer
x = 5,926,102.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.