Finding the Fourth Proportional to 13,115,572.48, 19,673,340.72 and 3,530,961.28
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Solution
The fourth proportional to 13,115,572.48, 19,673,340.72 and 3,530,961.28 is: 5,296,437.07
Step by Step Solution
- Step 1: Write the proportion equation
13,115,572.48 : 19,673,340.72 = 3,530,961.28 : x - Step 2: Convert to fraction form
13,115,572.48/19,673,340.72 = 3,530,961.28/x - Step 3: Cross multiply
13,115,572.48x = 19,673,340.72 × 3,530,961.28 - Step 4: Simplify right side
13,115,572.48x = 69,465,804,330,567.31 - Step 5: Solve for x
x = 69,465,804,330,567.31/13,115,572.48 - Step 6: Final answer
x = 5,296,437.07
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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.