Finding the Fourth Proportional to 14,146,709.67, 19,522,459.53 and 7,708,181.67
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Solution
The fourth proportional to 14,146,709.67, 19,522,459.53 and 7,708,181.67 is: 10,637,290.81
Step by Step Solution
- Step 1: Write the proportion equation
14,146,709.67 : 19,522,459.53 = 7,708,181.67 : x - Step 2: Convert to fraction form
14,146,709.67/19,522,459.53 = 7,708,181.67/x - Step 3: Cross multiply
14,146,709.67x = 19,522,459.53 × 7,708,181.67 - Step 4: Simplify right side
14,146,709.67x = 150,482,664,702,462.81 - Step 5: Solve for x
x = 150,482,664,702,462.81/14,146,709.67 - Step 6: Final answer
x = 10,637,290.81
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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.