Finding the Fourth Proportional to 43,153,107.62, 64,755,198.70 and 15,878,553.12
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Solution
The fourth proportional to 43,153,107.62, 64,755,198.70 and 15,878,553.12 is: 23,827,226.34
Step by Step Solution
- Step 1: Write the proportion equation
43,153,107.62 : 64,755,198.70 = 15,878,553.12 : x - Step 2: Convert to fraction form
43,153,107.62/64,755,198.70 = 15,878,553.12/x - Step 3: Cross multiply
43,153,107.62x = 64,755,198.70 × 15,878,553.12 - Step 4: Simplify right side
43,153,107.62x = 1,028,218,862,314,408.50 - Step 5: Solve for x
x = 1,028,218,862,314,408.50/43,153,107.62 - Step 6: Final answer
x = 23,827,226.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.