Finding the Fourth Proportional to 14,232,568.84, 19,640,954.16 and 7,706,202.62
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Solution
The fourth proportional to 14,232,568.84, 19,640,954.16 and 7,706,202.62 is: 10,634,564.57
Step by Step Solution
- Step 1: Write the proportion equation
14,232,568.84 : 19,640,954.16 = 7,706,202.62 : x - Step 2: Convert to fraction form
14,232,568.84/19,640,954.16 = 7,706,202.62/x - Step 3: Cross multiply
14,232,568.84x = 19,640,954.16 × 7,706,202.62 - Step 4: Simplify right side
14,232,568.84x = 151,357,172,308,887.12 - Step 5: Solve for x
x = 151,357,172,308,887.12/14,232,568.84 - Step 6: Final answer
x = 10,634,564.57
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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.