Finding the Fourth Proportional to 7,884,693.69, 10,885,802.99 and 6,045,617.14
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Solution
The fourth proportional to 7,884,693.69, 10,885,802.99 and 6,045,617.14 is: 8,346,728.45
Step by Step Solution
- Step 1: Write the proportion equation
7,884,693.69 : 10,885,802.99 = 6,045,617.14 : x - Step 2: Convert to fraction form
7,884,693.69/10,885,802.99 = 6,045,617.14/x - Step 3: Cross multiply
7,884,693.69x = 10,885,802.99 × 6,045,617.14 - Step 4: Simplify right side
7,884,693.69x = 65,811,397,139,007.25 - Step 5: Solve for x
x = 65,811,397,139,007.25/7,884,693.69 - Step 6: Final answer
x = 8,346,728.45
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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.