Finding the Fourth Proportional to 9,195,039.36, 12,688,246.08 and 5,121,037.44
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Solution
The fourth proportional to 9,195,039.36, 12,688,246.08 and 5,121,037.44 is: 7,066,525.84
Step by Step Solution
- Step 1: Write the proportion equation
9,195,039.36 : 12,688,246.08 = 5,121,037.44 : x - Step 2: Convert to fraction form
9,195,039.36/12,688,246.08 = 5,121,037.44/x - Step 3: Cross multiply
9,195,039.36x = 12,688,246.08 × 5,121,037.44 - Step 4: Simplify right side
9,195,039.36x = 64,976,983,223,613.24 - Step 5: Solve for x
x = 64,976,983,223,613.24/9,195,039.36 - Step 6: Final answer
x = 7,066,525.84
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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.