Finding the Fourth Proportional to 18,506,496.43, 27,765,551.94 and 11,129,035.06
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Solution
The fourth proportional to 18,506,496.43, 27,765,551.94 and 11,129,035.06 is: 16,697,044.85
Step by Step Solution
- Step 1: Write the proportion equation
18,506,496.43 : 27,765,551.94 = 11,129,035.06 : x - Step 2: Convert to fraction form
18,506,496.43/27,765,551.94 = 11,129,035.06/x - Step 3: Cross multiply
18,506,496.43x = 27,765,551.94 × 11,129,035.06 - Step 4: Simplify right side
18,506,496.43x = 309,003,801,000,511.06 - Step 5: Solve for x
x = 309,003,801,000,511.06/18,506,496.43 - Step 6: Final answer
x = 16,697,044.85
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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.