Finding the Fourth Proportional to 16,390,099.68, 22,617,744.70 and 9,047,775.21
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Solution
The fourth proportional to 16,390,099.68, 22,617,744.70 and 9,047,775.21 is: 12,485,602.52
Step by Step Solution
- Step 1: Write the proportion equation
16,390,099.68 : 22,617,744.70 = 9,047,775.21 : x - Step 2: Convert to fraction form
16,390,099.68/22,617,744.70 = 9,047,775.21/x - Step 3: Cross multiply
16,390,099.68x = 22,617,744.70 × 9,047,775.21 - Step 4: Simplify right side
16,390,099.68x = 204,640,269,802,768.91 - Step 5: Solve for x
x = 204,640,269,802,768.91/16,390,099.68 - Step 6: Final answer
x = 12,485,602.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.