Finding the Fourth Proportional to 7,800,266.13, 11,690,816.28 and 4,381,365.95
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Solution
The fourth proportional to 7,800,266.13, 11,690,816.28 and 4,381,365.95 is: 6,566,666.26
Step by Step Solution
- Step 1: Write the proportion equation
7,800,266.13 : 11,690,816.28 = 4,381,365.95 : x - Step 2: Convert to fraction form
7,800,266.13/11,690,816.28 = 4,381,365.95/x - Step 3: Cross multiply
7,800,266.13x = 11,690,816.28 × 4,381,365.95 - Step 4: Simplify right side
7,800,266.13x = 51,221,744,376,897.66 - Step 5: Solve for x
x = 51,221,744,376,897.66/7,800,266.13 - Step 6: Final answer
x = 6,566,666.26
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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.