Finding the Fourth Proportional to 19,505,344.80, 29,259,941.76 and 6,724,166.88
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Solution
The fourth proportional to 19,505,344.80, 29,259,941.76 and 6,724,166.88 is: 10,086,913.78
Step by Step Solution
- Step 1: Write the proportion equation
19,505,344.80 : 29,259,941.76 = 6,724,166.88 : x - Step 2: Convert to fraction form
19,505,344.80/29,259,941.76 = 6,724,166.88/x - Step 3: Cross multiply
19,505,344.80x = 29,259,941.76 × 6,724,166.88 - Step 4: Simplify right side
19,505,344.80x = 196,748,731,293,320.91 - Step 5: Solve for x
x = 196,748,731,293,320.91/19,505,344.80 - Step 6: Final answer
x = 10,086,913.78
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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.