Finding the Fourth Proportional to 15,463,221.08, 21,337,974.61 and 8,493,538.44
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Solution
The fourth proportional to 15,463,221.08, 21,337,974.61 and 8,493,538.44 is: 11,720,385.20
Step by Step Solution
- Step 1: Write the proportion equation
15,463,221.08 : 21,337,974.61 = 8,493,538.44 : x - Step 2: Convert to fraction form
15,463,221.08/21,337,974.61 = 8,493,538.44/x - Step 3: Cross multiply
15,463,221.08x = 21,337,974.61 × 8,493,538.44 - Step 4: Simplify right side
15,463,221.08x = 181,234,907,432,621.47 - Step 5: Solve for x
x = 181,234,907,432,621.47/15,463,221.08 - Step 6: Final answer
x = 11,720,385.20
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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.