Finding the Fourth Proportional to 38,417,067.16, 57,625,699.04 and 15,697,964.32
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Solution
The fourth proportional to 38,417,067.16, 57,625,699.04 and 15,697,964.32 is: 23,546,986.65
Step by Step Solution
- Step 1: Write the proportion equation
38,417,067.16 : 57,625,699.04 = 15,697,964.32 : x - Step 2: Convert to fraction form
38,417,067.16/57,625,699.04 = 15,697,964.32/x - Step 3: Cross multiply
38,417,067.16x = 57,625,699.04 × 15,697,964.32 - Step 4: Simplify right side
38,417,067.16x = 904,606,167,444,978.25 - Step 5: Solve for x
x = 904,606,167,444,978.25/38,417,067.16 - Step 6: Final answer
x = 23,546,986.65
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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.