Finding the Fourth Proportional to 8,997,283.28, 12,430,197.96 and 7,544,415.44
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Solution
The fourth proportional to 8,997,283.28, 12,430,197.96 and 7,544,415.44 is: 10,422,988.19
Step by Step Solution
- Step 1: Write the proportion equation
8,997,283.28 : 12,430,197.96 = 7,544,415.44 : x - Step 2: Convert to fraction form
8,997,283.28/12,430,197.96 = 7,544,415.44/x - Step 3: Cross multiply
8,997,283.28x = 12,430,197.96 × 7,544,415.44 - Step 4: Simplify right side
8,997,283.28x = 93,778,577,411,680.52 - Step 5: Solve for x
x = 93,778,577,411,680.52/8,997,283.28 - Step 6: Final answer
x = 10,422,988.19
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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.