Finding the Fourth Proportional to 19,155,481.63, 26,434,557.66 and 10,453,654.26
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Solution
The fourth proportional to 19,155,481.63, 26,434,557.66 and 10,453,654.26 is: 14,426,039.07
Step by Step Solution
- Step 1: Write the proportion equation
19,155,481.63 : 26,434,557.66 = 10,453,654.26 : x - Step 2: Convert to fraction form
19,155,481.63/26,434,557.66 = 10,453,654.26/x - Step 3: Cross multiply
19,155,481.63x = 26,434,557.66 × 10,453,654.26 - Step 4: Simplify right side
19,155,481.63x = 276,337,726,332,875.84 - Step 5: Solve for x
x = 276,337,726,332,875.84/19,155,481.63 - Step 6: Final answer
x = 14,426,039.07
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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.