Finding the Fourth Proportional to 10,382,429.70, 15,573,644.55 and 6,130,901.70
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Solution
The fourth proportional to 10,382,429.70, 15,573,644.55 and 6,130,901.70 is: 9,196,352.55
Step by Step Solution
- Step 1: Write the proportion equation
10,382,429.70 : 15,573,644.55 = 6,130,901.70 : x - Step 2: Convert to fraction form
10,382,429.70/15,573,644.55 = 6,130,901.70/x - Step 3: Cross multiply
10,382,429.70x = 15,573,644.55 × 6,130,901.70 - Step 4: Simplify right side
10,382,429.70x = 95,480,483,846,790.75 - Step 5: Solve for x
x = 95,480,483,846,790.75/10,382,429.70 - Step 6: Final answer
x = 9,196,352.55
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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.