Finding the Fourth Proportional to 13,790,176.20, 19,031,307.57 and 7,595,221.68
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Solution
The fourth proportional to 13,790,176.20, 19,031,307.57 and 7,595,221.68 is: 10,481,882.01
Step by Step Solution
- Step 1: Write the proportion equation
13,790,176.20 : 19,031,307.57 = 7,595,221.68 : x - Step 2: Convert to fraction form
13,790,176.20/19,031,307.57 = 7,595,221.68/x - Step 3: Cross multiply
13,790,176.20x = 19,031,307.57 × 7,595,221.68 - Step 4: Simplify right side
13,790,176.20x = 144,546,999,854,412.12 - Step 5: Solve for x
x = 144,546,999,854,412.12/13,790,176.20 - Step 6: Final answer
x = 10,481,882.01
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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.