Finding the Fourth Proportional to 12,632,440.66, 18,948,484.95 and 3,047,738.74
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Solution
The fourth proportional to 12,632,440.66, 18,948,484.95 and 3,047,738.74 is: 4,571,565.64
Step by Step Solution
- Step 1: Write the proportion equation
12,632,440.66 : 18,948,484.95 = 3,047,738.74 : x - Step 2: Convert to fraction form
12,632,440.66/18,948,484.95 = 3,047,738.74/x - Step 3: Cross multiply
12,632,440.66x = 18,948,484.95 × 3,047,738.74 - Step 4: Simplify right side
12,632,440.66x = 57,750,031,646,421.97 - Step 5: Solve for x
x = 57,750,031,646,421.97/12,632,440.66 - Step 6: Final answer
x = 4,571,565.64
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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.