Finding the Fourth Proportional to 13,031,047.68, 19,440,763.23 and 12,325,608.96
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Solution
The fourth proportional to 13,031,047.68, 19,440,763.23 and 12,325,608.96 is: 18,388,333.11
Step by Step Solution
- Step 1: Write the proportion equation
13,031,047.68 : 19,440,763.23 = 12,325,608.96 : x - Step 2: Convert to fraction form
13,031,047.68/19,440,763.23 = 12,325,608.96/x - Step 3: Cross multiply
13,031,047.68x = 19,440,763.23 × 12,325,608.96 - Step 4: Simplify right side
13,031,047.68x = 239,619,245,456,926.56 - Step 5: Solve for x
x = 239,619,245,456,926.56/13,031,047.68 - Step 6: Final answer
x = 18,388,333.11
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.