Finding the Fourth Proportional to 38,407,341.77, 53,006,984.99 and 25,187,642
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Solution
The fourth proportional to 38,407,341.77, 53,006,984.99 and 25,187,642 is: 34,762,128.80
Step by Step Solution
- Step 1: Write the proportion equation
38,407,341.77 : 53,006,984.99 = 25,187,642 : x - Step 2: Convert to fraction form
38,407,341.77/53,006,984.99 = 25,187,642/x - Step 3: Cross multiply
38,407,341.77x = 53,006,984.99 × 25,187,642 - Step 4: Simplify right side
38,407,341.77x = 1,335,120,961,427,493.75 - Step 5: Solve for x
x = 1,335,120,961,427,493.75/38,407,341.77 - Step 6: Final answer
x = 34,762,128.80
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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.