Finding the Fourth Proportional to 10,255,743.70, 15,377,936.48 and 4,194,731.64
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Solution
The fourth proportional to 10,255,743.70, 15,377,936.48 and 4,194,731.64 is: 6,289,774.65
Step by Step Solution
- Step 1: Write the proportion equation
10,255,743.70 : 15,377,936.48 = 4,194,731.64 : x - Step 2: Convert to fraction form
10,255,743.70/15,377,936.48 = 4,194,731.64/x - Step 3: Cross multiply
10,255,743.70x = 15,377,936.48 × 4,194,731.64 - Step 4: Simplify right side
10,255,743.70x = 64,506,316,710,566.23 - Step 5: Solve for x
x = 64,506,316,710,566.23/10,255,743.70 - Step 6: Final answer
x = 6,289,774.65
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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.