Finding the Fourth Proportional to 7,807,305.06, 10,754,830.01 and 6,642,019.17
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Solution
The fourth proportional to 7,807,305.06, 10,754,830.01 and 6,642,019.17 is: 9,149,608.80
Step by Step Solution
- Step 1: Write the proportion equation
7,807,305.06 : 10,754,830.01 = 6,642,019.17 : x - Step 2: Convert to fraction form
7,807,305.06/10,754,830.01 = 6,642,019.17/x - Step 3: Cross multiply
7,807,305.06x = 10,754,830.01 × 6,642,019.17 - Step 4: Simplify right side
7,807,305.06x = 71,433,787,063,301.20 - Step 5: Solve for x
x = 71,433,787,063,301.20/7,807,305.06 - Step 6: Final answer
x = 9,149,608.80
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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.