Finding the Fourth Proportional to 16,391,304.45, 22,622,961.15 and 9,776,317.68
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Solution
The fourth proportional to 16,391,304.45, 22,622,961.15 and 9,776,317.68 is: 13,493,084.44
Step by Step Solution
- Step 1: Write the proportion equation
16,391,304.45 : 22,622,961.15 = 9,776,317.68 : x - Step 2: Convert to fraction form
16,391,304.45/22,622,961.15 = 9,776,317.68/x - Step 3: Cross multiply
16,391,304.45x = 22,622,961.15 × 9,776,317.68 - Step 4: Simplify right side
16,391,304.45x = 221,169,255,064,698.12 - Step 5: Solve for x
x = 221,169,255,064,698.12/16,391,304.45 - Step 6: Final answer
x = 13,493,084.44
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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.