Finding the Fourth Proportional to 10,812,431.76, 14,921,195.36 and 5,850,873.13
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Solution
The fourth proportional to 10,812,431.76, 14,921,195.36 and 5,850,873.13 is: 8,074,226.31
Step by Step Solution
- Step 1: Write the proportion equation
10,812,431.76 : 14,921,195.36 = 5,850,873.13 : x - Step 2: Convert to fraction form
10,812,431.76/14,921,195.36 = 5,850,873.13/x - Step 3: Cross multiply
10,812,431.76x = 14,921,195.36 × 5,850,873.13 - Step 4: Simplify right side
10,812,431.76x = 87,302,020,999,304.67 - Step 5: Solve for x
x = 87,302,020,999,304.67/10,812,431.76 - Step 6: Final answer
x = 8,074,226.31
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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.