Finding the Fourth Proportional to 7,918,752.34, 11,882,621.49 and 4,275,433.36
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Solution
The fourth proportional to 7,918,752.34, 11,882,621.49 and 4,275,433.36 is: 6,415,575.86
Step by Step Solution
- Step 1: Write the proportion equation
7,918,752.34 : 11,882,621.49 = 4,275,433.36 : x - Step 2: Convert to fraction form
7,918,752.34/11,882,621.49 = 4,275,433.36/x - Step 3: Cross multiply
7,918,752.34x = 11,882,621.49 × 4,275,433.36 - Step 4: Simplify right side
7,918,752.34x = 50,803,356,322,598.91 - Step 5: Solve for x
x = 50,803,356,322,598.91/7,918,752.34 - Step 6: Final answer
x = 6,415,575.86
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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.