Finding the Fourth Proportional to 49,628,423.20, 74,444,967.60 and 15,550,880.80
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Solution
The fourth proportional to 49,628,423.20, 74,444,967.60 and 15,550,880.80 is: 23,327,052.17
Step by Step Solution
- Step 1: Write the proportion equation
49,628,423.20 : 74,444,967.60 = 15,550,880.80 : x - Step 2: Convert to fraction form
49,628,423.20/74,444,967.60 = 15,550,880.80/x - Step 3: Cross multiply
49,628,423.20x = 74,444,967.60 × 15,550,880.80 - Step 4: Simplify right side
49,628,423.20x = 1,157,684,817,307,462 - Step 5: Solve for x
x = 1,157,684,817,307,462/49,628,423.20 - Step 6: Final answer
x = 23,327,052.17
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1.5x scale
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.