Finding the Fourth Proportional to 29,212,991.40, 43,823,474.68 and 12,169,678.56
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Solution
The fourth proportional to 29,212,991.40, 43,823,474.68 and 12,169,678.56 is: 18,256,179.00
Step by Step Solution
- Step 1: Write the proportion equation
29,212,991.40 : 43,823,474.68 = 12,169,678.56 : x - Step 2: Convert to fraction form
29,212,991.40/43,823,474.68 = 12,169,678.56/x - Step 3: Cross multiply
29,212,991.40x = 43,823,474.68 × 12,169,678.56 - Step 4: Simplify right side
29,212,991.40x = 533,317,600,237,898.88 - Step 5: Solve for x
x = 533,317,600,237,898.88/29,212,991.40 - Step 6: Final answer
x = 18,256,179.00
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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.