Finding the Fourth Proportional to 10,347,820.80, 15,521,731.20 and 4,953,694.65
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Solution
The fourth proportional to 10,347,820.80, 15,521,731.20 and 4,953,694.65 is: 7,430,541.98
Step by Step Solution
- Step 1: Write the proportion equation
10,347,820.80 : 15,521,731.20 = 4,953,694.65 : x - Step 2: Convert to fraction form
10,347,820.80/15,521,731.20 = 4,953,694.65/x - Step 3: Cross multiply
10,347,820.80x = 15,521,731.20 × 4,953,694.65 - Step 4: Simplify right side
10,347,820.80x = 76,889,916,804,178.08 - Step 5: Solve for x
x = 76,889,916,804,178.08/10,347,820.80 - Step 6: Final answer
x = 7,430,541.98
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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.