Finding the Fourth Proportional to 29,879,742.88, 41,233,485.36 and 18,276,454
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Solution
The fourth proportional to 29,879,742.88, 41,233,485.36 and 18,276,454 is: 25,221,164.10
Step by Step Solution
- Step 1: Write the proportion equation
29,879,742.88 : 41,233,485.36 = 18,276,454 : x - Step 2: Convert to fraction form
29,879,742.88/41,233,485.36 = 18,276,454/x - Step 3: Cross multiply
29,879,742.88x = 41,233,485.36 × 18,276,454 - Step 4: Simplify right side
29,879,742.88x = 753,601,898,441,713.38 - Step 5: Solve for x
x = 753,601,898,441,713.38/29,879,742.88 - Step 6: Final answer
x = 25,221,164.10
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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.