Finding the Fourth Proportional to 12,354,887.11, 18,540,703.20 and 5,069,663.94
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Solution
The fourth proportional to 12,354,887.11, 18,540,703.20 and 5,069,663.94 is: 7,607,931.46
Step by Step Solution
- Step 1: Write the proportion equation
12,354,887.11 : 18,540,703.20 = 5,069,663.94 : x - Step 2: Convert to fraction form
12,354,887.11/18,540,703.20 = 5,069,663.94/x - Step 3: Cross multiply
12,354,887.11x = 18,540,703.20 × 5,069,663.94 - Step 4: Simplify right side
12,354,887.11x = 93,995,134,324,606.48 - Step 5: Solve for x
x = 93,995,134,324,606.48/12,354,887.11 - Step 6: Final answer
x = 7,607,931.46
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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.