Finding the Fourth Proportional to 43,684,539.80, 65,526,809.70 and 19,423,419.80
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Solution
The fourth proportional to 43,684,539.80, 65,526,809.70 and 19,423,419.80 is: 29,135,129.70
Step by Step Solution
- Step 1: Write the proportion equation
43,684,539.80 : 65,526,809.70 = 19,423,419.80 : x - Step 2: Convert to fraction form
43,684,539.80/65,526,809.70 = 19,423,419.80/x - Step 3: Cross multiply
43,684,539.80x = 65,526,809.70 × 19,423,419.80 - Step 4: Simplify right side
43,684,539.80x = 1,272,754,732,957,812.25 - Step 5: Solve for x
x = 1,272,754,732,957,812.25/43,684,539.80 - Step 6: Final answer
x = 29,135,129.70
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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.