Finding the Fourth Proportional to 13,749,559.04, 18,974,930.04 and 9,407,751.68
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Solution
The fourth proportional to 13,749,559.04, 18,974,930.04 and 9,407,751.68 is: 12,983,065.82
Step by Step Solution
- Step 1: Write the proportion equation
13,749,559.04 : 18,974,930.04 = 9,407,751.68 : x - Step 2: Convert to fraction form
13,749,559.04/18,974,930.04 = 9,407,751.68/x - Step 3: Cross multiply
13,749,559.04x = 18,974,930.04 × 9,407,751.68 - Step 4: Simplify right side
13,749,559.04x = 178,511,429,961,692.47 - Step 5: Solve for x
x = 178,511,429,961,692.47/13,749,559.04 - Step 6: Final answer
x = 12,983,065.82
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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.