Finding the Fourth Proportional to 11,133,763.20, 16,706,174.40 and 4,402,396.80
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Solution
The fourth proportional to 11,133,763.20, 16,706,174.40 and 4,402,396.80 is: 6,605,781.66
Step by Step Solution
- Step 1: Write the proportion equation
11,133,763.20 : 16,706,174.40 = 4,402,396.80 : x - Step 2: Convert to fraction form
11,133,763.20/16,706,174.40 = 4,402,396.80/x - Step 3: Cross multiply
11,133,763.20x = 16,706,174.40 × 4,402,396.80 - Step 4: Simplify right side
11,133,763.20x = 73,547,208,718,801.92 - Step 5: Solve for x
x = 73,547,208,718,801.92/11,133,763.20 - Step 6: Final answer
x = 6,605,781.66
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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.