Finding the Fourth Proportional to 11,878,238.44, 16,391,982.18 and 6,445,730.44
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Solution
The fourth proportional to 11,878,238.44, 16,391,982.18 and 6,445,730.44 is: 8,895,115.13
Step by Step Solution
- Step 1: Write the proportion equation
11,878,238.44 : 16,391,982.18 = 6,445,730.44 : x - Step 2: Convert to fraction form
11,878,238.44/16,391,982.18 = 6,445,730.44/x - Step 3: Cross multiply
11,878,238.44x = 16,391,982.18 × 6,445,730.44 - Step 4: Simplify right side
11,878,238.44x = 105,658,298,509,563.56 - Step 5: Solve for x
x = 105,658,298,509,563.56/11,878,238.44 - Step 6: Final answer
x = 8,895,115.13
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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.