Finding the Fourth Proportional to 18,373,212.60, 27,559,818.90 and 5,593,615.80
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Solution
The fourth proportional to 18,373,212.60, 27,559,818.90 and 5,593,615.80 is: 8,390,423.70
Step by Step Solution
- Step 1: Write the proportion equation
18,373,212.60 : 27,559,818.90 = 5,593,615.80 : x - Step 2: Convert to fraction form
18,373,212.60/27,559,818.90 = 5,593,615.80/x - Step 3: Cross multiply
18,373,212.60x = 27,559,818.90 × 5,593,615.80 - Step 4: Simplify right side
18,373,212.60x = 154,159,038,444,178.59 - Step 5: Solve for x
x = 154,159,038,444,178.59/18,373,212.60 - Step 6: Final answer
x = 8,390,423.70
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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.