Finding the Fourth Proportional to 12,005,924.55, 18,009,385.07 and 3,486,260.99
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Solution
The fourth proportional to 12,005,924.55, 18,009,385.07 and 3,486,260.99 is: 5,229,536.16
Step by Step Solution
- Step 1: Write the proportion equation
12,005,924.55 : 18,009,385.07 = 3,486,260.99 : x - Step 2: Convert to fraction form
12,005,924.55/18,009,385.07 = 3,486,260.99/x - Step 3: Cross multiply
12,005,924.55x = 18,009,385.07 × 3,486,260.99 - Step 4: Simplify right side
12,005,924.55x = 62,785,416,515,951.19 - Step 5: Solve for x
x = 62,785,416,515,951.19/12,005,924.55 - Step 6: Final answer
x = 5,229,536.16
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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.