Finding the Fourth Proportional to 10,815,391.42, 14,909,339.01 and 8,232,573.58
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Solution
The fourth proportional to 10,815,391.42, 14,909,339.01 and 8,232,573.58 is: 11,348,847.74
Step by Step Solution
- Step 1: Write the proportion equation
10,815,391.42 : 14,909,339.01 = 8,232,573.58 : x - Step 2: Convert to fraction form
10,815,391.42/14,909,339.01 = 8,232,573.58/x - Step 3: Cross multiply
10,815,391.42x = 14,909,339.01 × 8,232,573.58 - Step 4: Simplify right side
10,815,391.42x = 122,742,230,422,588.16 - Step 5: Solve for x
x = 122,742,230,422,588.16/10,815,391.42 - Step 6: Final answer
x = 11,348,847.74
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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.