Finding the Fourth Proportional to 13,316,430.24, 18,376,673.70 and 7,204,858.68
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Solution
The fourth proportional to 13,316,430.24, 18,376,673.70 and 7,204,858.68 is: 9,942,704.96
Step by Step Solution
- Step 1: Write the proportion equation
13,316,430.24 : 18,376,673.70 = 7,204,858.68 : x - Step 2: Convert to fraction form
13,316,430.24/18,376,673.70 = 7,204,858.68/x - Step 3: Cross multiply
13,316,430.24x = 18,376,673.70 × 7,204,858.68 - Step 4: Simplify right side
13,316,430.24x = 132,401,337,016,972.70 - Step 5: Solve for x
x = 132,401,337,016,972.70/13,316,430.24 - Step 6: Final answer
x = 9,942,704.96
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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.