Finding the Fourth Proportional to 12,413,893.14, 17,128,605.87 and 7,256,257.02
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Solution
The fourth proportional to 12,413,893.14, 17,128,605.87 and 7,256,257.02 is: 10,012,134.40
Step by Step Solution
- Step 1: Write the proportion equation
12,413,893.14 : 17,128,605.87 = 7,256,257.02 : x - Step 2: Convert to fraction form
12,413,893.14/17,128,605.87 = 7,256,257.02/x - Step 3: Cross multiply
12,413,893.14x = 17,128,605.87 × 7,256,257.02 - Step 4: Simplify right side
12,413,893.14x = 124,289,566,587,000.70 - Step 5: Solve for x
x = 124,289,566,587,000.70/12,413,893.14 - Step 6: Final answer
x = 10,012,134.40
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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.