Finding the Fourth Proportional to 34,366,484.62, 47,425,415.36 and 18,685,508.90
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Solution
The fourth proportional to 34,366,484.62, 47,425,415.36 and 18,685,508.90 is: 25,785,821.00
Step by Step Solution
- Step 1: Write the proportion equation
34,366,484.62 : 47,425,415.36 = 18,685,508.90 : x - Step 2: Convert to fraction form
34,366,484.62/47,425,415.36 = 18,685,508.90/x - Step 3: Cross multiply
34,366,484.62x = 47,425,415.36 × 18,685,508.90 - Step 4: Simplify right side
34,366,484.62x = 886,168,020,795,476.62 - Step 5: Solve for x
x = 886,168,020,795,476.62/34,366,484.62 - Step 6: Final answer
x = 25,785,821.00
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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.