Finding the Fourth Proportional to 48,829,220.70, 67,353,673.40 and 28,968,925.40
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Solution
The fourth proportional to 48,829,220.70, 67,353,673.40 and 28,968,925.40 is: 39,958,932.63
Step by Step Solution
- Step 1: Write the proportion equation
48,829,220.70 : 67,353,673.40 = 28,968,925.40 : x - Step 2: Convert to fraction form
48,829,220.70/67,353,673.40 = 28,968,925.40/x - Step 3: Cross multiply
48,829,220.70x = 67,353,673.40 × 28,968,925.40 - Step 4: Simplify right side
48,829,220.70x = 1,951,163,540,020,161.25 - Step 5: Solve for x
x = 1,951,163,540,020,161.25/48,829,220.70 - Step 6: Final answer
x = 39,958,932.63
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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.