Finding the Fourth Proportional to 15,301,202.68, 21,115,797.42 and 8,425,712.44
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Solution
The fourth proportional to 15,301,202.68, 21,115,797.42 and 8,425,712.44 is: 11,627,559.00
Step by Step Solution
- Step 1: Write the proportion equation
15,301,202.68 : 21,115,797.42 = 8,425,712.44 : x - Step 2: Convert to fraction form
15,301,202.68/21,115,797.42 = 8,425,712.44/x - Step 3: Cross multiply
15,301,202.68x = 21,115,797.42 × 8,425,712.44 - Step 4: Simplify right side
15,301,202.68x = 177,915,637,002,213.91 - Step 5: Solve for x
x = 177,915,637,002,213.91/15,301,202.68 - Step 6: Final answer
x = 11,627,559.00
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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.