Finding the Fourth Proportional to 8,516,576.70, 12,774,865.05 and 5,157,344.70
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Solution
The fourth proportional to 8,516,576.70, 12,774,865.05 and 5,157,344.70 is: 7,736,017.05
Step by Step Solution
- Step 1: Write the proportion equation
8,516,576.70 : 12,774,865.05 = 5,157,344.70 : x - Step 2: Convert to fraction form
8,516,576.70/12,774,865.05 = 5,157,344.70/x - Step 3: Cross multiply
8,516,576.70x = 12,774,865.05 × 5,157,344.70 - Step 4: Simplify right side
8,516,576.70x = 65,884,382,558,832.74 - Step 5: Solve for x
x = 65,884,382,558,832.74/8,516,576.70 - Step 6: Final answer
x = 7,736,017.05
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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.