Finding the Fourth Proportional to 48,394,389.76, 66,783,416.94 and 26,368,070.20
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Solution
The fourth proportional to 48,394,389.76, 66,783,416.94 and 26,368,070.20 is: 36,387,478.69
Step by Step Solution
- Step 1: Write the proportion equation
48,394,389.76 : 66,783,416.94 = 26,368,070.20 : x - Step 2: Convert to fraction form
48,394,389.76/66,783,416.94 = 26,368,070.20/x - Step 3: Cross multiply
48,394,389.76x = 66,783,416.94 × 26,368,070.20 - Step 4: Simplify right side
48,394,389.76x = 1,760,949,826,069,789 - Step 5: Solve for x
x = 1,760,949,826,069,789/48,394,389.76 - Step 6: Final answer
x = 36,387,478.69
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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.