Finding the Fourth Proportional to 19,623,268.32, 29,432,660.16 and 5,247,457.56
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Solution
The fourth proportional to 19,623,268.32, 29,432,660.16 and 5,247,457.56 is: 7,870,586.72
Step by Step Solution
- Step 1: Write the proportion equation
19,623,268.32 : 29,432,660.16 = 5,247,457.56 : x - Step 2: Convert to fraction form
19,623,268.32/29,432,660.16 = 5,247,457.56/x - Step 3: Cross multiply
19,623,268.32x = 29,432,660.16 × 5,247,457.56 - Step 4: Simplify right side
19,623,268.32x = 154,446,635,067,502.81 - Step 5: Solve for x
x = 154,446,635,067,502.81/19,623,268.32 - Step 6: Final answer
x = 7,870,586.72
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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.