Finding the Fourth Proportional to 22,789,230.08, 31,449,138.58 and 12,475,953.16
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Solution
The fourth proportional to 22,789,230.08, 31,449,138.58 and 12,475,953.16 is: 17,216,815.95
Step by Step Solution
- Step 1: Write the proportion equation
22,789,230.08 : 31,449,138.58 = 12,475,953.16 : x - Step 2: Convert to fraction form
22,789,230.08/31,449,138.58 = 12,475,953.16/x - Step 3: Cross multiply
22,789,230.08x = 31,449,138.58 × 12,475,953.16 - Step 4: Simplify right side
22,789,230.08x = 392,357,979,846,428.88 - Step 5: Solve for x
x = 392,357,979,846,428.88/22,789,230.08 - Step 6: Final answer
x = 17,216,815.95
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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.