Finding the Fourth Proportional to 18,462,776.80, 27,688,255.44 and 6,164,099.68
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Solution
The fourth proportional to 18,462,776.80, 27,688,255.44 and 6,164,099.68 is: 9,244,176.45
Step by Step Solution
- Step 1: Write the proportion equation
18,462,776.80 : 27,688,255.44 = 6,164,099.68 : x - Step 2: Convert to fraction form
18,462,776.80/27,688,255.44 = 6,164,099.68/x - Step 3: Cross multiply
18,462,776.80x = 27,688,255.44 × 6,164,099.68 - Step 4: Simplify right side
18,462,776.80x = 170,673,166,497,462.25 - Step 5: Solve for x
x = 170,673,166,497,462.25/18,462,776.80 - Step 6: Final answer
x = 9,244,176.45
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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.