Finding the Fourth Proportional to 13,193,323.20, 19,789,328.70 and 6,804,221.40
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Solution
The fourth proportional to 13,193,323.20, 19,789,328.70 and 6,804,221.40 is: 10,205,993.73
Step by Step Solution
- Step 1: Write the proportion equation
13,193,323.20 : 19,789,328.70 = 6,804,221.40 : x - Step 2: Convert to fraction form
13,193,323.20/19,789,328.70 = 6,804,221.40/x - Step 3: Cross multiply
13,193,323.20x = 19,789,328.70 × 6,804,221.40 - Step 4: Simplify right side
13,193,323.20x = 134,650,973,832,174.19 - Step 5: Solve for x
x = 134,650,973,832,174.19/13,193,323.20 - Step 6: Final answer
x = 10,205,993.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.