Finding the Fourth Proportional to 28,757,747.10, 43,163,192.70 and 14,391,125.40
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Solution
The fourth proportional to 28,757,747.10, 43,163,192.70 and 14,391,125.40 is: 21,599,985.45
Step by Step Solution
- Step 1: Write the proportion equation
28,757,747.10 : 43,163,192.70 = 14,391,125.40 : x - Step 2: Convert to fraction form
28,757,747.10/43,163,192.70 = 14,391,125.40/x - Step 3: Cross multiply
28,757,747.10x = 43,163,192.70 × 14,391,125.40 - Step 4: Simplify right side
28,757,747.10x = 621,166,918,810,064.62 - Step 5: Solve for x
x = 621,166,918,810,064.62/28,757,747.10 - Step 6: Final answer
x = 21,599,985.45
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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.