Finding the Fourth Proportional to 7,195,896.63, 9,929,377.98 and 4,621,065.12
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Solution
The fourth proportional to 7,195,896.63, 9,929,377.98 and 4,621,065.12 is: 6,376,453.78
Step by Step Solution
- Step 1: Write the proportion equation
7,195,896.63 : 9,929,377.98 = 4,621,065.12 : x - Step 2: Convert to fraction form
7,195,896.63/9,929,377.98 = 4,621,065.12/x - Step 3: Cross multiply
7,195,896.63x = 9,929,377.98 × 4,621,065.12 - Step 4: Simplify right side
7,195,896.63x = 45,884,302,246,674.06 - Step 5: Solve for x
x = 45,884,302,246,674.06/7,195,896.63 - Step 6: Final answer
x = 6,376,453.78
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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.