Finding the Fourth Proportional to 21,776,623.19, 32,664,928.91 and 8,130,833.68
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Solution
The fourth proportional to 21,776,623.19, 32,664,928.91 and 8,130,833.68 is: 12,196,248.33
Step by Step Solution
- Step 1: Write the proportion equation
21,776,623.19 : 32,664,928.91 = 8,130,833.68 : x - Step 2: Convert to fraction form
21,776,623.19/32,664,928.91 = 8,130,833.68/x - Step 3: Cross multiply
21,776,623.19x = 32,664,928.91 × 8,130,833.68 - Step 4: Simplify right side
21,776,623.19x = 265,593,104,136,233.69 - Step 5: Solve for x
x = 265,593,104,136,233.69/21,776,623.19 - Step 6: Final answer
x = 12,196,248.33
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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.