Finding the Fourth Proportional to 8,077,246.80, 12,122,479.80 and 8,014,261.20
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Solution
The fourth proportional to 8,077,246.80, 12,122,479.80 and 8,014,261.20 is: 12,027,949.86
Step by Step Solution
- Step 1: Write the proportion equation
8,077,246.80 : 12,122,479.80 = 8,014,261.20 : x - Step 2: Convert to fraction form
8,077,246.80/12,122,479.80 = 8,014,261.20/x - Step 3: Cross multiply
8,077,246.80x = 12,122,479.80 × 8,014,261.20 - Step 4: Simplify right side
8,077,246.80x = 97,152,719,508,923.77 - Step 5: Solve for x
x = 97,152,719,508,923.77/8,077,246.80 - Step 6: Final answer
x = 12,027,949.86
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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.