Finding the Fourth Proportional to 19,936,355.94, 29,909,577.69 and 5,559,425.28
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Solution
The fourth proportional to 19,936,355.94, 29,909,577.69 and 5,559,425.28 is: 8,340,544.42
Step by Step Solution
- Step 1: Write the proportion equation
19,936,355.94 : 29,909,577.69 = 5,559,425.28 : x - Step 2: Convert to fraction form
19,936,355.94/29,909,577.69 = 5,559,425.28/x - Step 3: Cross multiply
19,936,355.94x = 29,909,577.69 × 5,559,425.28 - Step 4: Simplify right side
19,936,355.94x = 166,280,062,323,910.03 - Step 5: Solve for x
x = 166,280,062,323,910.03/19,936,355.94 - Step 6: Final answer
x = 8,340,544.42
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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.