Finding the Fourth Proportional to 18,091,986.55, 27,115,746.49 and 8,363,440.06
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Solution
The fourth proportional to 18,091,986.55, 27,115,746.49 and 8,363,440.06 is: 12,534,882.21
Step by Step Solution
- Step 1: Write the proportion equation
18,091,986.55 : 27,115,746.49 = 8,363,440.06 : x - Step 2: Convert to fraction form
18,091,986.55/27,115,746.49 = 8,363,440.06/x - Step 3: Cross multiply
18,091,986.55x = 27,115,746.49 × 8,363,440.06 - Step 4: Simplify right side
18,091,986.55x = 226,780,920,406,921.41 - Step 5: Solve for x
x = 226,780,920,406,921.41/18,091,986.55 - Step 6: Final answer
x = 12,534,882.21
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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.