Finding the Fourth Proportional to 22,249,950.72, 33,318,472.16 and 18,646,241.28
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Solution
The fourth proportional to 22,249,950.72, 33,318,472.16 and 18,646,241.28 is: 27,922,051.55
Step by Step Solution
- Step 1: Write the proportion equation
22,249,950.72 : 33,318,472.16 = 18,646,241.28 : x - Step 2: Convert to fraction form
22,249,950.72/33,318,472.16 = 18,646,241.28/x - Step 3: Cross multiply
22,249,950.72x = 33,318,472.16 × 18,646,241.28 - Step 4: Simplify right side
22,249,950.72x = 621,264,270,976,322.75 - Step 5: Solve for x
x = 621,264,270,976,322.75/22,249,950.72 - Step 6: Final answer
x = 27,922,051.55
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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.