Finding the Fourth Proportional to 26,931,382.26, 37,166,224.64 and 15,927,564.66
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Solution
The fourth proportional to 26,931,382.26, 37,166,224.64 and 15,927,564.66 is: 21,980,581.63
Step by Step Solution
- Step 1: Write the proportion equation
26,931,382.26 : 37,166,224.64 = 15,927,564.66 : x - Step 2: Convert to fraction form
26,931,382.26/37,166,224.64 = 15,927,564.66/x - Step 3: Cross multiply
26,931,382.26x = 37,166,224.64 × 15,927,564.66 - Step 4: Simplify right side
26,931,382.26x = 591,967,446,121,685.25 - Step 5: Solve for x
x = 591,967,446,121,685.25/26,931,382.26 - Step 6: Final answer
x = 21,980,581.63
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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.