Finding the Fourth Proportional to 19,826,776.32, 29,733,427.09 and 6,869,903.32
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Solution
The fourth proportional to 19,826,776.32, 29,733,427.09 and 6,869,903.32 is: 10,302,520.50
Step by Step Solution
- Step 1: Write the proportion equation
19,826,776.32 : 29,733,427.09 = 6,869,903.32 : x - Step 2: Convert to fraction form
19,826,776.32/29,733,427.09 = 6,869,903.32/x - Step 3: Cross multiply
19,826,776.32x = 29,733,427.09 × 6,869,903.32 - Step 4: Simplify right side
19,826,776.32x = 204,265,769,480,568.94 - Step 5: Solve for x
x = 204,265,769,480,568.94/19,826,776.32 - Step 6: Final answer
x = 10,302,520.50
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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.