Finding the Fourth Proportional to 18,008,303.06, 26,997,316.91 and 14,588,108.45
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Solution
The fourth proportional to 18,008,303.06, 26,997,316.91 and 14,588,108.45 is: 21,869,899.99
Step by Step Solution
- Step 1: Write the proportion equation
18,008,303.06 : 26,997,316.91 = 14,588,108.45 : x - Step 2: Convert to fraction form
18,008,303.06/26,997,316.91 = 14,588,108.45/x - Step 3: Cross multiply
18,008,303.06x = 26,997,316.91 × 14,588,108.45 - Step 4: Simplify right side
18,008,303.06x = 393,839,786,869,158.38 - Step 5: Solve for x
x = 393,839,786,869,158.38/18,008,303.06 - Step 6: Final answer
x = 21,869,899.99
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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.