Finding the Fourth Proportional to 48,746,478.40, 67,270,952.97 and 26,420,177.48
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Solution
The fourth proportional to 48,746,478.40, 67,270,952.97 and 26,420,177.48 is: 36,460,285.44
Step by Step Solution
- Step 1: Write the proportion equation
48,746,478.40 : 67,270,952.97 = 26,420,177.48 : x - Step 2: Convert to fraction form
48,746,478.40/67,270,952.97 = 26,420,177.48/x - Step 3: Cross multiply
48,746,478.40x = 67,270,952.97 × 26,420,177.48 - Step 4: Simplify right side
48,746,478.40x = 1,777,310,516,379,778.50 - Step 5: Solve for x
x = 1,777,310,516,379,778.50/48,746,478.40 - Step 6: Final answer
x = 36,460,285.44
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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.