Finding the Fourth Proportional to 14,212,407.61, 19,613,276.58 and 7,686,163.90
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Solution
The fourth proportional to 14,212,407.61, 19,613,276.58 and 7,686,163.90 is: 10,606,989.51
Step by Step Solution
- Step 1: Write the proportion equation
14,212,407.61 : 19,613,276.58 = 7,686,163.90 : x - Step 2: Convert to fraction form
14,212,407.61/19,613,276.58 = 7,686,163.90/x - Step 3: Cross multiply
14,212,407.61x = 19,613,276.58 × 7,686,163.90 - Step 4: Simplify right side
14,212,407.61x = 150,750,858,409,911.47 - Step 5: Solve for x
x = 150,750,858,409,911.47/14,212,407.61 - Step 6: Final answer
x = 10,606,989.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.