Finding the Fourth Proportional to 47,389,557.13, 71,084,335.70 and 11,487,765.13
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Solution
The fourth proportional to 47,389,557.13, 71,084,335.70 and 11,487,765.13 is: 17,231,647.70
Step by Step Solution
- Step 1: Write the proportion equation
47,389,557.13 : 71,084,335.70 = 11,487,765.13 : x - Step 2: Convert to fraction form
47,389,557.13/71,084,335.70 = 11,487,765.13/x - Step 3: Cross multiply
47,389,557.13x = 71,084,335.70 × 11,487,765.13 - Step 4: Simplify right side
47,389,557.13x = 816,600,152,943,674.25 - Step 5: Solve for x
x = 816,600,152,943,674.25/47,389,557.13 - Step 6: Final answer
x = 17,231,647.70
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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.