Finding the Fourth Proportional to 10,724,977.20, 14,800,774.86 and 6,538,903.68
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Solution
The fourth proportional to 10,724,977.20, 14,800,774.86 and 6,538,903.68 is: 9,023,873.84
Step by Step Solution
- Step 1: Write the proportion equation
10,724,977.20 : 14,800,774.86 = 6,538,903.68 : x - Step 2: Convert to fraction form
10,724,977.20/14,800,774.86 = 6,538,903.68/x - Step 3: Cross multiply
10,724,977.20x = 14,800,774.86 × 6,538,903.68 - Step 4: Simplify right side
10,724,977.20x = 96,780,841,198,905.47 - Step 5: Solve for x
x = 96,780,841,198,905.47/10,724,977.20 - Step 6: Final answer
x = 9,023,873.84
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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.