Finding the Fourth Proportional to 19,919,270.76, 29,879,965.26 and 6,273,484.20
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Solution
The fourth proportional to 19,919,270.76, 29,879,965.26 and 6,273,484.20 is: 9,410,559.87
Step by Step Solution
- Step 1: Write the proportion equation
19,919,270.76 : 29,879,965.26 = 6,273,484.20 : x - Step 2: Convert to fraction form
19,919,270.76/29,879,965.26 = 6,273,484.20/x - Step 3: Cross multiply
19,919,270.76x = 29,879,965.26 × 6,273,484.20 - Step 4: Simplify right side
19,919,270.76x = 187,451,489,955,158.91 - Step 5: Solve for x
x = 187,451,489,955,158.91/19,919,270.76 - Step 6: Final answer
x = 9,410,559.87
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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.