Finding the Fourth Proportional to 11,024,854.76, 15,209,540.07 and 6,887,684.99
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Solution
The fourth proportional to 11,024,854.76, 15,209,540.07 and 6,887,684.99 is: 9,502,031.83
Step by Step Solution
- Step 1: Write the proportion equation
11,024,854.76 : 15,209,540.07 = 6,887,684.99 : x - Step 2: Convert to fraction form
11,024,854.76/15,209,540.07 = 6,887,684.99/x - Step 3: Cross multiply
11,024,854.76x = 15,209,540.07 × 6,887,684.99 - Step 4: Simplify right side
11,024,854.76x = 104,758,520,882,966.39 - Step 5: Solve for x
x = 104,758,520,882,966.39/11,024,854.76 - Step 6: Final answer
x = 9,502,031.83
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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.