Finding the Fourth Proportional to 11,288,351.74, 15,577,954.95 and 6,131,671.42
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Solution
The fourth proportional to 11,288,351.74, 15,577,954.95 and 6,131,671.42 is: 8,461,722.61
Step by Step Solution
- Step 1: Write the proportion equation
11,288,351.74 : 15,577,954.95 = 6,131,671.42 : x - Step 2: Convert to fraction form
11,288,351.74/15,577,954.95 = 6,131,671.42/x - Step 3: Cross multiply
11,288,351.74x = 15,577,954.95 × 6,131,671.42 - Step 4: Simplify right side
11,288,351.74x = 95,518,901,148,962.52 - Step 5: Solve for x
x = 95,518,901,148,962.52/11,288,351.74 - Step 6: Final answer
x = 8,461,722.61
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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.