Finding the Fourth Proportional to 7,131,378.14, 10,697,514.68 and 2,014,208.71
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Solution
The fourth proportional to 7,131,378.14, 10,697,514.68 and 2,014,208.71 is: 3,021,439.45
Step by Step Solution
- Step 1: Write the proportion equation
7,131,378.14 : 10,697,514.68 = 2,014,208.71 : x - Step 2: Convert to fraction form
7,131,378.14/10,697,514.68 = 2,014,208.71/x - Step 3: Cross multiply
7,131,378.14x = 10,697,514.68 × 2,014,208.71 - Step 4: Simplify right side
7,131,378.14x = 21,547,027,275,588.17 - Step 5: Solve for x
x = 21,547,027,275,588.17/7,131,378.14 - Step 6: Final answer
x = 3,021,439.45
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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.