Finding the Fourth Proportional to 11,071,762.49, 15,279,041.73 and 6,176,985.65
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Solution
The fourth proportional to 11,071,762.49, 15,279,041.73 and 6,176,985.65 is: 8,524,245.49
Step by Step Solution
- Step 1: Write the proportion equation
11,071,762.49 : 15,279,041.73 = 6,176,985.65 : x - Step 2: Convert to fraction form
11,071,762.49/15,279,041.73 = 6,176,985.65/x - Step 3: Cross multiply
11,071,762.49x = 15,279,041.73 × 6,176,985.65 - Step 4: Simplify right side
11,071,762.49x = 94,378,421,435,565.97 - Step 5: Solve for x
x = 94,378,421,435,565.97/11,071,762.49 - Step 6: Final answer
x = 8,524,245.49
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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.