Finding the Fourth Proportional to 7,828,512.41, 11,739,952.84 and 2,709,552.78
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Solution
The fourth proportional to 7,828,512.41, 11,739,952.84 and 2,709,552.78 is: 4,063,354.59
Step by Step Solution
- Step 1: Write the proportion equation
7,828,512.41 : 11,739,952.84 = 2,709,552.78 : x - Step 2: Convert to fraction form
7,828,512.41/11,739,952.84 = 2,709,552.78/x - Step 3: Cross multiply
7,828,512.41x = 11,739,952.84 × 2,709,552.78 - Step 4: Simplify right side
7,828,512.41x = 31,810,021,854,690.89 - Step 5: Solve for x
x = 31,810,021,854,690.89/7,828,512.41 - Step 6: Final answer
x = 4,063,354.59
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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.