Finding the Fourth Proportional to 20,038,354.24, 27,652,913.04 and 10,870,998.88
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Solution
The fourth proportional to 20,038,354.24, 27,652,913.04 and 10,870,998.88 is: 15,001,969.88
Step by Step Solution
- Step 1: Write the proportion equation
20,038,354.24 : 27,652,913.04 = 10,870,998.88 : x - Step 2: Convert to fraction form
20,038,354.24/27,652,913.04 = 10,870,998.88/x - Step 3: Cross multiply
20,038,354.24x = 27,652,913.04 × 10,870,998.88 - Step 4: Simplify right side
20,038,354.24x = 300,614,786,686,577.44 - Step 5: Solve for x
x = 300,614,786,686,577.44/20,038,354.24 - Step 6: Final answer
x = 15,001,969.88
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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.