Finding the Fourth Proportional to 10,236,756.74, 14,126,724.88 and 5,653,373.36
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Solution
The fourth proportional to 10,236,756.74, 14,126,724.88 and 5,653,373.36 is: 7,801,655.55
Step by Step Solution
- Step 1: Write the proportion equation
10,236,756.74 : 14,126,724.88 = 5,653,373.36 : x - Step 2: Convert to fraction form
10,236,756.74/14,126,724.88 = 5,653,373.36/x - Step 3: Cross multiply
10,236,756.74x = 14,126,724.88 × 5,653,373.36 - Step 4: Simplify right side
10,236,756.74x = 79,863,650,015,874.14 - Step 5: Solve for x
x = 79,863,650,015,874.14/10,236,756.74 - Step 6: Final answer
x = 7,801,655.55
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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.