Finding the Fourth Proportional to 19,140,507.09, 26,415,472.14 and 10,883,160.54
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Solution
The fourth proportional to 19,140,507.09, 26,415,472.14 and 10,883,160.54 is: 15,019,655.58
Step by Step Solution
- Step 1: Write the proportion equation
19,140,507.09 : 26,415,472.14 = 10,883,160.54 : x - Step 2: Convert to fraction form
19,140,507.09/26,415,472.14 = 10,883,160.54/x - Step 3: Cross multiply
19,140,507.09x = 26,415,472.14 × 10,883,160.54 - Step 4: Simplify right side
19,140,507.09x = 287,483,824,039,517.31 - Step 5: Solve for x
x = 287,483,824,039,517.31/19,140,507.09 - Step 6: Final answer
x = 15,019,655.58
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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.