Finding the Fourth Proportional to 34,533,941.76, 47,656,942.80 and 18,852,990.84
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Solution
The fourth proportional to 34,533,941.76, 47,656,942.80 and 18,852,990.84 is: 26,017,183.68
Step by Step Solution
- Step 1: Write the proportion equation
34,533,941.76 : 47,656,942.80 = 18,852,990.84 : x - Step 2: Convert to fraction form
34,533,941.76/47,656,942.80 = 18,852,990.84/x - Step 3: Cross multiply
34,533,941.76x = 47,656,942.80 × 18,852,990.84 - Step 4: Simplify right side
34,533,941.76x = 898,475,906,070,803.88 - Step 5: Solve for x
x = 898,475,906,070,803.88/34,533,941.76 - Step 6: Final answer
x = 26,017,183.68
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1.5x scale
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.