Finding the Fourth Proportional to 17,485,959.60, 26,230,907.70 and 5,355,326.70
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Solution
The fourth proportional to 17,485,959.60, 26,230,907.70 and 5,355,326.70 is: 8,033,592.87
Step by Step Solution
- Step 1: Write the proportion equation
17,485,959.60 : 26,230,907.70 = 5,355,326.70 : x - Step 2: Convert to fraction form
17,485,959.60/26,230,907.70 = 5,355,326.70/x - Step 3: Cross multiply
17,485,959.60x = 26,230,907.70 × 5,355,326.70 - Step 4: Simplify right side
17,485,959.60x = 140,475,080,371,045.59 - Step 5: Solve for x
x = 140,475,080,371,045.59/17,485,959.60 - Step 6: Final answer
x = 8,033,592.87
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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.