Finding the Fourth Proportional to 28,465,379.64, 39,252,862.80 and 24,349,037.40
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Solution
The fourth proportional to 28,465,379.64, 39,252,862.80 and 24,349,037.40 is: 33,576,556.38
Step by Step Solution
- Step 1: Write the proportion equation
28,465,379.64 : 39,252,862.80 = 24,349,037.40 : x - Step 2: Convert to fraction form
28,465,379.64/39,252,862.80 = 24,349,037.40/x - Step 3: Cross multiply
28,465,379.64x = 39,252,862.80 × 24,349,037.40 - Step 4: Simplify right side
28,465,379.64x = 955,769,424,374,268.62 - Step 5: Solve for x
x = 955,769,424,374,268.62/28,465,379.64 - Step 6: Final answer
x = 33,576,556.38
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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.