Finding the Fourth Proportional to 34,977,385.88, 48,268,878.18 and 19,508,472.44
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Solution
The fourth proportional to 34,977,385.88, 48,268,878.18 and 19,508,472.44 is: 26,921,739.75
Step by Step Solution
- Step 1: Write the proportion equation
34,977,385.88 : 48,268,878.18 = 19,508,472.44 : x - Step 2: Convert to fraction form
34,977,385.88/48,268,878.18 = 19,508,472.44/x - Step 3: Cross multiply
34,977,385.88x = 48,268,878.18 × 19,508,472.44 - Step 4: Simplify right side
34,977,385.88x = 941,652,079,684,247.38 - Step 5: Solve for x
x = 941,652,079,684,247.38/34,977,385.88 - Step 6: Final answer
x = 26,921,739.75
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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.