Finding the Fourth Proportional to 7,291,979.10, 10,063,036.76 and 4,028,868.99
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Solution
The fourth proportional to 7,291,979.10, 10,063,036.76 and 4,028,868.99 is: 5,559,897.55
Step by Step Solution
- Step 1: Write the proportion equation
7,291,979.10 : 10,063,036.76 = 4,028,868.99 : x - Step 2: Convert to fraction form
7,291,979.10/10,063,036.76 = 4,028,868.99/x - Step 3: Cross multiply
7,291,979.10x = 10,063,036.76 × 4,028,868.99 - Step 4: Simplify right side
7,291,979.10x = 40,542,656,727,449.73 - Step 5: Solve for x
x = 40,542,656,727,449.73/7,291,979.10 - Step 6: Final answer
x = 5,559,897.55
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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.