Finding the Fourth Proportional to 29,259,773.74, 43,857,981.61 and 19,031,942.62
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Solution
The fourth proportional to 29,259,773.74, 43,857,981.61 and 19,031,942.62 is: 28,527,308.40
Step by Step Solution
- Step 1: Write the proportion equation
29,259,773.74 : 43,857,981.61 = 19,031,942.62 : x - Step 2: Convert to fraction form
29,259,773.74/43,857,981.61 = 19,031,942.62/x - Step 3: Cross multiply
29,259,773.74x = 43,857,981.61 × 19,031,942.62 - Step 4: Simplify right side
29,259,773.74x = 834,702,589,116,085.50 - Step 5: Solve for x
x = 834,702,589,116,085.50/29,259,773.74 - Step 6: Final answer
x = 28,527,308.40
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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.