Finding the Fourth Proportional to 51,263,537.92, 76,925,555.52 and 18,938,317.12
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Solution
The fourth proportional to 51,263,537.92, 76,925,555.52 and 18,938,317.12 is: 28,418,650.45
Step by Step Solution
- Step 1: Write the proportion equation
51,263,537.92 : 76,925,555.52 = 18,938,317.12 : x - Step 2: Convert to fraction form
51,263,537.92/76,925,555.52 = 18,938,317.12/x - Step 3: Cross multiply
51,263,537.92x = 76,925,555.52 × 18,938,317.12 - Step 4: Simplify right side
51,263,537.92x = 1,456,840,565,069,926.50 - Step 5: Solve for x
x = 1,456,840,565,069,926.50/51,263,537.92 - Step 6: Final answer
x = 28,418,650.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.