Finding the Fourth Proportional to 47,420,194.96, 65,439,017.58 and 26,793,198.28
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Solution
The fourth proportional to 47,420,194.96, 65,439,017.58 and 26,793,198.28 is: 36,974,132.53
Step by Step Solution
- Step 1: Write the proportion equation
47,420,194.96 : 65,439,017.58 = 26,793,198.28 : x - Step 2: Convert to fraction form
47,420,194.96/65,439,017.58 = 26,793,198.28/x - Step 3: Cross multiply
47,420,194.96x = 65,439,017.58 × 26,793,198.28 - Step 4: Simplify right side
47,420,194.96x = 1,753,320,573,269,345.75 - Step 5: Solve for x
x = 1,753,320,573,269,345.75/47,420,194.96 - Step 6: Final answer
x = 36,974,132.53
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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.