Finding the Fourth Proportional to 33,313,482.97, 45,970,698.99 and 18,427,918.97
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Solution
The fourth proportional to 33,313,482.97, 45,970,698.99 and 18,427,918.97 is: 25,429,473.02
Step by Step Solution
- Step 1: Write the proportion equation
33,313,482.97 : 45,970,698.99 = 18,427,918.97 : x - Step 2: Convert to fraction form
33,313,482.97/45,970,698.99 = 18,427,918.97/x - Step 3: Cross multiply
33,313,482.97x = 45,970,698.99 × 18,427,918.97 - Step 4: Simplify right side
33,313,482.97x = 847,144,316,166,012.25 - Step 5: Solve for x
x = 847,144,316,166,012.25/33,313,482.97 - Step 6: Final answer
x = 25,429,473.02
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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.