Finding the Fourth Proportional to 21,724,117.10, 32,604,546.45 and 8,953,786.70
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Solution
The fourth proportional to 21,724,117.10, 32,604,546.45 and 8,953,786.70 is: 13,438,251.74
Step by Step Solution
- Step 1: Write the proportion equation
21,724,117.10 : 32,604,546.45 = 8,953,786.70 : x - Step 2: Convert to fraction form
21,724,117.10/32,604,546.45 = 8,953,786.70/x - Step 3: Cross multiply
21,724,117.10x = 32,604,546.45 × 8,953,786.70 - Step 4: Simplify right side
21,724,117.10x = 291,934,154,363,542.19 - Step 5: Solve for x
x = 291,934,154,363,542.19/21,724,117.10 - Step 6: Final answer
x = 13,438,251.74
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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.