Finding the Fourth Proportional to 10,992,380.13, 15,171,303.80 and 6,099,178.63
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Solution
The fourth proportional to 10,992,380.13, 15,171,303.80 and 6,099,178.63 is: 8,417,875.91
Step by Step Solution
- Step 1: Write the proportion equation
10,992,380.13 : 15,171,303.80 = 6,099,178.63 : x - Step 2: Convert to fraction form
10,992,380.13/15,171,303.80 = 6,099,178.63/x - Step 3: Cross multiply
10,992,380.13x = 15,171,303.80 × 6,099,178.63 - Step 4: Simplify right side
10,992,380.13x = 92,532,491,926,197.80 - Step 5: Solve for x
x = 92,532,491,926,197.80/10,992,380.13 - Step 6: Final answer
x = 8,417,875.91
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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.