Finding the Fourth Proportional to 16,391,323.09, 22,622,986.74 and 9,776,335.57
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Solution
The fourth proportional to 16,391,323.09, 22,622,986.74 and 9,776,335.57 is: 13,493,109.05
Step by Step Solution
- Step 1: Write the proportion equation
16,391,323.09 : 22,622,986.74 = 9,776,335.57 : x - Step 2: Convert to fraction form
16,391,323.09/22,622,986.74 = 9,776,335.57/x - Step 3: Cross multiply
16,391,323.09x = 22,622,986.74 × 9,776,335.57 - Step 4: Simplify right side
16,391,323.09x = 221,169,909,965,900.34 - Step 5: Solve for x
x = 221,169,909,965,900.34/16,391,323.09 - Step 6: Final answer
x = 13,493,109.05
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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.