Finding the Fourth Proportional to 16,270,720.48, 22,453,533.12 and 8,928,677.20
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Solution
The fourth proportional to 16,270,720.48, 22,453,533.12 and 8,928,677.20 is: 12,321,540.98
Step by Step Solution
- Step 1: Write the proportion equation
16,270,720.48 : 22,453,533.12 = 8,928,677.20 : x - Step 2: Convert to fraction form
16,270,720.48/22,453,533.12 = 8,928,677.20/x - Step 3: Cross multiply
16,270,720.48x = 22,453,533.12 × 8,928,677.20 - Step 4: Simplify right side
16,270,720.48x = 200,480,349,227,988.84 - Step 5: Solve for x
x = 200,480,349,227,988.84/16,270,720.48 - Step 6: Final answer
x = 12,321,540.98
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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.