Finding the Fourth Proportional to 13,856,958.08, 19,122,206.28 and 7,661,898.08
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Solution
The fourth proportional to 13,856,958.08, 19,122,206.28 and 7,661,898.08 is: 10,573,200.46
Step by Step Solution
- Step 1: Write the proportion equation
13,856,958.08 : 19,122,206.28 = 7,661,898.08 : x - Step 2: Convert to fraction form
13,856,958.08/19,122,206.28 = 7,661,898.08/x - Step 3: Cross multiply
13,856,958.08x = 19,122,206.28 × 7,661,898.08 - Step 4: Simplify right side
13,856,958.08x = 146,512,395,582,095.94 - Step 5: Solve for x
x = 146,512,395,582,095.94/13,856,958.08 - Step 6: Final answer
x = 10,573,200.46
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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.