Finding the Fourth Proportional to 9,971,090.89, 14,951,026.33 and 3,146,391.99
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Solution
The fourth proportional to 9,971,090.89, 14,951,026.33 and 3,146,391.99 is: 4,717,817.74
Step by Step Solution
- Step 1: Write the proportion equation
9,971,090.89 : 14,951,026.33 = 3,146,391.99 : x - Step 2: Convert to fraction form
9,971,090.89/14,951,026.33 = 3,146,391.99/x - Step 3: Cross multiply
9,971,090.89x = 14,951,026.33 × 3,146,391.99 - Step 4: Simplify right side
9,971,090.89x = 47,041,789,479,125.12 - Step 5: Solve for x
x = 47,041,789,479,125.12/9,971,090.89 - Step 6: Final answer
x = 4,717,817.74
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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.