Finding the Fourth Proportional to 8,437,730.99, 11,643,464.30 and 4,953,211.23
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Solution
The fourth proportional to 8,437,730.99, 11,643,464.30 and 4,953,211.23 is: 6,835,076.65
Step by Step Solution
- Step 1: Write the proportion equation
8,437,730.99 : 11,643,464.30 = 4,953,211.23 : x - Step 2: Convert to fraction form
8,437,730.99/11,643,464.30 = 4,953,211.23/x - Step 3: Cross multiply
8,437,730.99x = 11,643,464.30 × 4,953,211.23 - Step 4: Simplify right side
8,437,730.99x = 57,672,538,126,947.16 - Step 5: Solve for x
x = 57,672,538,126,947.16/8,437,730.99 - Step 6: Final answer
x = 6,835,076.65
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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.