Finding the Fourth Proportional to 10,485,166.80, 14,462,076.64 and 6,998,747.77
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Solution
The fourth proportional to 10,485,166.80, 14,462,076.64 and 6,998,747.77 is: 9,653,296.75
Step by Step Solution
- Step 1: Write the proportion equation
10,485,166.80 : 14,462,076.64 = 6,998,747.77 : x - Step 2: Convert to fraction form
10,485,166.80/14,462,076.64 = 6,998,747.77/x - Step 3: Cross multiply
10,485,166.80x = 14,462,076.64 × 6,998,747.77 - Step 4: Simplify right side
10,485,166.80x = 101,216,426,633,769.09 - Step 5: Solve for x
x = 101,216,426,633,769.09/10,485,166.80 - Step 6: Final answer
x = 9,653,296.75
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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.