Finding the Fourth Proportional to 10,644,807.76, 14,689,840.64 and 5,750,029.96
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Solution
The fourth proportional to 10,644,807.76, 14,689,840.64 and 5,750,029.96 is: 7,935,044.55
Step by Step Solution
- Step 1: Write the proportion equation
10,644,807.76 : 14,689,840.64 = 5,750,029.96 : x - Step 2: Convert to fraction form
10,644,807.76/14,689,840.64 = 5,750,029.96/x - Step 3: Cross multiply
10,644,807.76x = 14,689,840.64 × 5,750,029.96 - Step 4: Simplify right side
10,644,807.76x = 84,467,023,787,625.58 - Step 5: Solve for x
x = 84,467,023,787,625.58/10,644,807.76 - Step 6: Final answer
x = 7,935,044.55
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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.