Finding the Fourth Proportional to 26,731,798.11, 36,883,558.53 and 15,129,361.26
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Solution
The fourth proportional to 26,731,798.11, 36,883,558.53 and 15,129,361.26 is: 20,874,940.00
Step by Step Solution
- Step 1: Write the proportion equation
26,731,798.11 : 36,883,558.53 = 15,129,361.26 : x - Step 2: Convert to fraction form
26,731,798.11/36,883,558.53 = 15,129,361.26/x - Step 3: Cross multiply
26,731,798.11x = 36,883,558.53 × 15,129,361.26 - Step 4: Simplify right side
26,731,798.11x = 558,024,681,554,724.56 - Step 5: Solve for x
x = 558,024,681,554,724.56/26,731,798.11 - Step 6: Final answer
x = 20,874,940.00
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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.