Finding the Fourth Proportional to 54,356,574.07, 81,534,860.97 and 19,815,566.28
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Solution
The fourth proportional to 54,356,574.07, 81,534,860.97 and 19,815,566.28 is: 29,723,349.37
Step by Step Solution
- Step 1: Write the proportion equation
54,356,574.07 : 81,534,860.97 = 19,815,566.28 : x - Step 2: Convert to fraction form
54,356,574.07/81,534,860.97 = 19,815,566.28/x - Step 3: Cross multiply
54,356,574.07x = 81,534,860.97 × 19,815,566.28 - Step 4: Simplify right side
54,356,574.07x = 1,615,659,441,681,620.25 - Step 5: Solve for x
x = 1,615,659,441,681,620.25/54,356,574.07 - Step 6: Final answer
x = 29,723,349.37
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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.