Finding the Fourth Proportional to 7,987,482.68, 11,021,494.38 and 4,549,285.40
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Solution
The fourth proportional to 7,987,482.68, 11,021,494.38 and 4,549,285.40 is: 6,277,312.32
Step by Step Solution
- Step 1: Write the proportion equation
7,987,482.68 : 11,021,494.38 = 4,549,285.40 : x - Step 2: Convert to fraction form
7,987,482.68/11,021,494.38 = 4,549,285.40/x - Step 3: Cross multiply
7,987,482.68x = 11,021,494.38 × 4,549,285.40 - Step 4: Simplify right side
7,987,482.68x = 50,139,923,469,116.06 - Step 5: Solve for x
x = 50,139,923,469,116.06/7,987,482.68 - Step 6: Final answer
x = 6,277,312.32
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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.