Finding the Fourth Proportional to 64,478,867.99, 96,731,066.64 and 18,421,129.13
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Solution
The fourth proportional to 64,478,867.99, 96,731,066.64 and 18,421,129.13 is: 27,635,340.46
Step by Step Solution
- Step 1: Write the proportion equation
64,478,867.99 : 96,731,066.64 = 18,421,129.13 : x - Step 2: Convert to fraction form
64,478,867.99/96,731,066.64 = 18,421,129.13/x - Step 3: Cross multiply
64,478,867.99x = 96,731,066.64 × 18,421,129.13 - Step 4: Simplify right side
64,478,867.99x = 1,781,895,469,365,969.50 - Step 5: Solve for x
x = 1,781,895,469,365,969.50/64,478,867.99 - Step 6: Final answer
x = 27,635,340.46
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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.