Finding the Fourth Proportional to 11,126,491.40, 16,692,156.30 and 6,336,475.40
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Solution
The fourth proportional to 11,126,491.40, 16,692,156.30 and 6,336,475.40 is: 9,506,090.82
Step by Step Solution
- Step 1: Write the proportion equation
11,126,491.40 : 16,692,156.30 = 6,336,475.40 : x - Step 2: Convert to fraction form
11,126,491.40/16,692,156.30 = 6,336,475.40/x - Step 3: Cross multiply
11,126,491.40x = 16,692,156.30 × 6,336,475.40 - Step 4: Simplify right side
11,126,491.40x = 105,769,437,767,905.03 - Step 5: Solve for x
x = 105,769,437,767,905.03/11,126,491.40 - Step 6: Final answer
x = 9,506,090.82
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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.