Finding the Fourth Proportional to 13,167,242, 19,732,929.60 and 7,412,720.12
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Solution
The fourth proportional to 13,167,242, 19,732,929.60 and 7,412,720.12 is: 11,108,984.27
Step by Step Solution
- Step 1: Write the proportion equation
13,167,242 : 19,732,929.60 = 7,412,720.12 : x - Step 2: Convert to fraction form
13,167,242/19,732,929.60 = 7,412,720.12/x - Step 3: Cross multiply
13,167,242x = 19,732,929.60 × 7,412,720.12 - Step 4: Simplify right side
13,167,242x = 146,274,684,272,463.56 - Step 5: Solve for x
x = 146,274,684,272,463.56/13,167,242 - Step 6: Final answer
x = 11,108,984.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.