Finding the Fourth Proportional to 20,038,353.24, 27,652,911.66 and 10,870,997.88
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Solution
The fourth proportional to 20,038,353.24, 27,652,911.66 and 10,870,997.88 is: 15,001,968.50
Step by Step Solution
- Step 1: Write the proportion equation
20,038,353.24 : 27,652,911.66 = 10,870,997.88 : x - Step 2: Convert to fraction form
20,038,353.24/27,652,911.66 = 10,870,997.88/x - Step 3: Cross multiply
20,038,353.24x = 27,652,911.66 × 10,870,997.88 - Step 4: Simplify right side
20,038,353.24x = 300,614,744,031,687.31 - Step 5: Solve for x
x = 300,614,744,031,687.31/20,038,353.24 - Step 6: Final answer
x = 15,001,968.50
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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.