Finding the Fourth Proportional to 43,143,934.74, 64,724,991.07 and 13,995,497.75
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Solution
The fourth proportional to 43,143,934.74, 64,724,991.07 and 13,995,497.75 is: 20,996,195.00
Step by Step Solution
- Step 1: Write the proportion equation
43,143,934.74 : 64,724,991.07 = 13,995,497.75 : x - Step 2: Convert to fraction form
43,143,934.74/64,724,991.07 = 13,995,497.75/x - Step 3: Cross multiply
43,143,934.74x = 64,724,991.07 × 13,995,497.75 - Step 4: Simplify right side
43,143,934.74x = 905,858,467,068,261.88 - Step 5: Solve for x
x = 905,858,467,068,261.88/43,143,934.74 - Step 6: Final answer
x = 20,996,195.00
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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.