Finding the Fourth Proportional to 51,768,394.74, 71,441,880.42 and 28,565,016.42
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Solution
The fourth proportional to 51,768,394.74, 71,441,880.42 and 28,565,016.42 is: 39,420,547.95
Step by Step Solution
- Step 1: Write the proportion equation
51,768,394.74 : 71,441,880.42 = 28,565,016.42 : x - Step 2: Convert to fraction form
51,768,394.74/71,441,880.42 = 28,565,016.42/x - Step 3: Cross multiply
51,768,394.74x = 71,441,880.42 × 28,565,016.42 - Step 4: Simplify right side
51,768,394.74x = 2,040,738,487,272,976.75 - Step 5: Solve for x
x = 2,040,738,487,272,976.75/51,768,394.74 - Step 6: Final answer
x = 39,420,547.95
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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.