Finding the Fourth Proportional to 9,126,715.68, 12,595,567.12 and 5,206,558.08
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Solution
The fourth proportional to 9,126,715.68, 12,595,567.12 and 5,206,558.08 is: 7,185,449.19
Step by Step Solution
- Step 1: Write the proportion equation
9,126,715.68 : 12,595,567.12 = 5,206,558.08 : x - Step 2: Convert to fraction form
9,126,715.68/12,595,567.12 = 5,206,558.08/x - Step 3: Cross multiply
9,126,715.68x = 12,595,567.12 × 5,206,558.08 - Step 4: Simplify right side
9,126,715.68x = 65,579,551,760,818.33 - Step 5: Solve for x
x = 65,579,551,760,818.33/9,126,715.68 - Step 6: Final answer
x = 7,185,449.19
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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.