Finding the Fourth Proportional to 10,235,425.28, 14,106,174.72 and 6,791,590.40
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Solution
The fourth proportional to 10,235,425.28, 14,106,174.72 and 6,791,590.40 is: 9,359,978.52
Step by Step Solution
- Step 1: Write the proportion equation
10,235,425.28 : 14,106,174.72 = 6,791,590.40 : x - Step 2: Convert to fraction form
10,235,425.28/14,106,174.72 = 6,791,590.40/x - Step 3: Cross multiply
10,235,425.28x = 14,106,174.72 × 6,791,590.40 - Step 4: Simplify right side
10,235,425.28x = 95,803,360,809,074.70 - Step 5: Solve for x
x = 95,803,360,809,074.70/10,235,425.28 - Step 6: Final answer
x = 9,359,978.52
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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.