Finding the Fourth Proportional to 29,001,704.48, 40,023,379.84 and 15,949,972.88
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Solution
The fourth proportional to 29,001,704.48, 40,023,379.84 and 15,949,972.88 is: 22,011,527.75
Step by Step Solution
- Step 1: Write the proportion equation
29,001,704.48 : 40,023,379.84 = 15,949,972.88 : x - Step 2: Convert to fraction form
29,001,704.48/40,023,379.84 = 15,949,972.88/x - Step 3: Cross multiply
29,001,704.48x = 40,023,379.84 × 15,949,972.88 - Step 4: Simplify right side
29,001,704.48x = 638,371,823,013,938.88 - Step 5: Solve for x
x = 638,371,823,013,938.88/29,001,704.48 - Step 6: Final answer
x = 22,011,527.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.