Finding the Fourth Proportional to 10,823,356.16, 14,936,198.64 and 6,239,637.44
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Solution
The fourth proportional to 10,823,356.16, 14,936,198.64 and 6,239,637.44 is: 8,610,680.72
Step by Step Solution
- Step 1: Write the proportion equation
10,823,356.16 : 14,936,198.64 = 6,239,637.44 : x - Step 2: Convert to fraction form
10,823,356.16/14,936,198.64 = 6,239,637.44/x - Step 3: Cross multiply
10,823,356.16x = 14,936,198.64 × 6,239,637.44 - Step 4: Simplify right side
10,823,356.16x = 93,196,464,245,421.09 - Step 5: Solve for x
x = 93,196,464,245,421.09/10,823,356.16 - Step 6: Final answer
x = 8,610,680.72
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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.