Finding the Fourth Proportional to 42,284,453.94, 58,350,987.09 and 22,968,455.22
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Solution
The fourth proportional to 42,284,453.94, 58,350,987.09 and 22,968,455.22 is: 31,695,621.18
Step by Step Solution
- Step 1: Write the proportion equation
42,284,453.94 : 58,350,987.09 = 22,968,455.22 : x - Step 2: Convert to fraction form
42,284,453.94/58,350,987.09 = 22,968,455.22/x - Step 3: Cross multiply
42,284,453.94x = 58,350,987.09 × 22,968,455.22 - Step 4: Simplify right side
42,284,453.94x = 1,340,232,034,019,463 - Step 5: Solve for x
x = 1,340,232,034,019,463/42,284,453.94 - Step 6: Final answer
x = 31,695,621.18
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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.