Finding the Fourth Proportional to 15,719,877.36, 21,693,208.86 and 8,844,343.02
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Solution
The fourth proportional to 15,719,877.36, 21,693,208.86 and 8,844,343.02 is: 12,205,068.52
Step by Step Solution
- Step 1: Write the proportion equation
15,719,877.36 : 21,693,208.86 = 8,844,343.02 : x - Step 2: Convert to fraction form
15,719,877.36/21,693,208.86 = 8,844,343.02/x - Step 3: Cross multiply
15,719,877.36x = 21,693,208.86 × 8,844,343.02 - Step 4: Simplify right side
15,719,877.36x = 191,862,180,362,343.16 - Step 5: Solve for x
x = 191,862,180,362,343.16/15,719,877.36 - Step 6: Final answer
x = 12,205,068.52
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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.