Finding the Fourth Proportional to 18,128,335.61, 27,193,406.58 and 5,176,407.66
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Solution
The fourth proportional to 18,128,335.61, 27,193,406.58 and 5,176,407.66 is: 7,764,869.38
Step by Step Solution
- Step 1: Write the proportion equation
18,128,335.61 : 27,193,406.58 = 5,176,407.66 : x - Step 2: Convert to fraction form
18,128,335.61/27,193,406.58 = 5,176,407.66/x - Step 3: Cross multiply
18,128,335.61x = 27,193,406.58 × 5,176,407.66 - Step 4: Simplify right side
18,128,335.61x = 140,764,158,122,206.41 - Step 5: Solve for x
x = 140,764,158,122,206.41/18,128,335.61 - Step 6: Final answer
x = 7,764,869.38
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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.