Finding the Fourth Proportional to 11,115,238.13, 15,338,699.17 and 6,153,900.59
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Solution
The fourth proportional to 11,115,238.13, 15,338,699.17 and 6,153,900.59 is: 8,492,200.41
Step by Step Solution
- Step 1: Write the proportion equation
11,115,238.13 : 15,338,699.17 = 6,153,900.59 : x - Step 2: Convert to fraction form
11,115,238.13/15,338,699.17 = 6,153,900.59/x - Step 3: Cross multiply
11,115,238.13x = 15,338,699.17 × 6,153,900.59 - Step 4: Simplify right side
11,115,238.13x = 94,392,829,764,632.50 - Step 5: Solve for x
x = 94,392,829,764,632.50/11,115,238.13 - Step 6: Final answer
x = 8,492,200.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.