Finding the Fourth Proportional to 18,146,303.60, 27,187,962.60 and 15,311,951.60
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Solution
The fourth proportional to 18,146,303.60, 27,187,962.60 and 15,311,951.60 is: 22,941,353.60
Step by Step Solution
- Step 1: Write the proportion equation
18,146,303.60 : 27,187,962.60 = 15,311,951.60 : x - Step 2: Convert to fraction form
18,146,303.60/27,187,962.60 = 15,311,951.60/x - Step 3: Cross multiply
18,146,303.60x = 27,187,962.60 × 15,311,951.60 - Step 4: Simplify right side
18,146,303.60x = 416,300,767,433,810.19 - Step 5: Solve for x
x = 416,300,767,433,810.19/18,146,303.60 - Step 6: Final answer
x = 22,941,353.60
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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.