Finding the Fourth Proportional to 13,283,581.98, 19,931,671.53 and 7,902,862.14
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Solution
The fourth proportional to 13,283,581.98, 19,931,671.53 and 7,902,862.14 is: 11,858,040.44
Step by Step Solution
- Step 1: Write the proportion equation
13,283,581.98 : 19,931,671.53 = 7,902,862.14 : x - Step 2: Convert to fraction form
13,283,581.98/19,931,671.53 = 7,902,862.14/x - Step 3: Cross multiply
13,283,581.98x = 19,931,671.53 × 7,902,862.14 - Step 4: Simplify right side
13,283,581.98x = 157,517,252,321,352.88 - Step 5: Solve for x
x = 157,517,252,321,352.88/13,283,581.98 - Step 6: Final answer
x = 11,858,040.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.