Finding the Fourth Proportional to 14,205,445.68, 19,605,435.03 and 8,011,764.48
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Solution
The fourth proportional to 14,205,445.68, 19,605,435.03 and 8,011,764.48 is: 11,057,317.84
Step by Step Solution
- Step 1: Write the proportion equation
14,205,445.68 : 19,605,435.03 = 8,011,764.48 : x - Step 2: Convert to fraction form
14,205,445.68/19,605,435.03 = 8,011,764.48/x - Step 3: Cross multiply
14,205,445.68x = 19,605,435.03 × 8,011,764.48 - Step 4: Simplify right side
14,205,445.68x = 157,074,127,988,301.75 - Step 5: Solve for x
x = 157,074,127,988,301.75/14,205,445.68 - Step 6: Final answer
x = 11,057,317.84
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1.5x scale
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.