Finding the Fourth Proportional to 18,169,037.22, 27,257,606.73 and 5,214,178.02
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Solution
The fourth proportional to 18,169,037.22, 27,257,606.73 and 5,214,178.02 is: 7,822,429.56
Step by Step Solution
- Step 1: Write the proportion equation
18,169,037.22 : 27,257,606.73 = 5,214,178.02 : x - Step 2: Convert to fraction form
18,169,037.22/27,257,606.73 = 5,214,178.02/x - Step 3: Cross multiply
18,169,037.22x = 27,257,606.73 × 5,214,178.02 - Step 4: Simplify right side
18,169,037.22x = 142,126,013,889,370.06 - Step 5: Solve for x
x = 142,126,013,889,370.06/18,169,037.22 - Step 6: Final answer
x = 7,822,429.56
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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.