Finding the Fourth Proportional to 12,115,454.34, 18,173,339.77 and 4,028,429.99
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Solution
The fourth proportional to 12,115,454.34, 18,173,339.77 and 4,028,429.99 is: 6,042,697.60
Step by Step Solution
- Step 1: Write the proportion equation
12,115,454.34 : 18,173,339.77 = 4,028,429.99 : x - Step 2: Convert to fraction form
12,115,454.34/18,173,339.77 = 4,028,429.99/x - Step 3: Cross multiply
12,115,454.34x = 18,173,339.77 × 4,028,429.99 - Step 4: Simplify right side
12,115,454.34x = 73,210,026,888,618.25 - Step 5: Solve for x
x = 73,210,026,888,618.25/12,115,454.34 - Step 6: Final answer
x = 6,042,697.60
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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.