Finding the Fourth Proportional to 21,498,458.94, 32,252,237.37 and 7,120,712.70
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Solution
The fourth proportional to 21,498,458.94, 32,252,237.37 and 7,120,712.70 is: 10,682,575.76
Step by Step Solution
- Step 1: Write the proportion equation
21,498,458.94 : 32,252,237.37 = 7,120,712.70 : x - Step 2: Convert to fraction form
21,498,458.94/32,252,237.37 = 7,120,712.70/x - Step 3: Cross multiply
21,498,458.94x = 32,252,237.37 × 7,120,712.70 - Step 4: Simplify right side
21,498,458.94x = 229,658,916,243,973.62 - Step 5: Solve for x
x = 229,658,916,243,973.62/21,498,458.94 - Step 6: Final answer
x = 10,682,575.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.