Finding the Fourth Proportional to 10,368,107.20, 15,547,495.20 and 3,976,235.20
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Solution
The fourth proportional to 10,368,107.20, 15,547,495.20 and 3,976,235.20 is: 5,962,563.51
Step by Step Solution
- Step 1: Write the proportion equation
10,368,107.20 : 15,547,495.20 = 3,976,235.20 : x - Step 2: Convert to fraction form
10,368,107.20/15,547,495.20 = 3,976,235.20/x - Step 3: Cross multiply
10,368,107.20x = 15,547,495.20 × 3,976,235.20 - Step 4: Simplify right side
10,368,107.20x = 61,820,497,686,071.04 - Step 5: Solve for x
x = 61,820,497,686,071.04/10,368,107.20 - Step 6: Final answer
x = 5,962,563.51
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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.