Finding the Fourth Proportional to 18,444,811.80, 27,667,217.70 and 6,477,547.80
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Solution
The fourth proportional to 18,444,811.80, 27,667,217.70 and 6,477,547.80 is: 9,716,321.70
Step by Step Solution
- Step 1: Write the proportion equation
18,444,811.80 : 27,667,217.70 = 6,477,547.80 : x - Step 2: Convert to fraction form
18,444,811.80/27,667,217.70 = 6,477,547.80/x - Step 3: Cross multiply
18,444,811.80x = 27,667,217.70 × 6,477,547.80 - Step 4: Simplify right side
18,444,811.80x = 179,215,725,144,756.06 - Step 5: Solve for x
x = 179,215,725,144,756.06/18,444,811.80 - Step 6: Final answer
x = 9,716,321.70
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1.5x scale
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.