Finding the Fourth Proportional to 9,126,720.68, 12,595,574.02 and 5,206,563.08
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Solution
The fourth proportional to 9,126,720.68, 12,595,574.02 and 5,206,563.08 is: 7,185,456.09
Step by Step Solution
- Step 1: Write the proportion equation
9,126,720.68 : 12,595,574.02 = 5,206,563.08 : x - Step 2: Convert to fraction form
9,126,720.68/12,595,574.02 = 5,206,563.08/x - Step 3: Cross multiply
9,126,720.68x = 12,595,574.02 × 5,206,563.08 - Step 4: Simplify right side
9,126,720.68x = 65,579,650,663,939.18 - Step 5: Solve for x
x = 65,579,650,663,939.18/9,126,720.68 - Step 6: Final answer
x = 7,185,456.09
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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.