Finding the Fourth Proportional to 9,982,725.84, 13,776,791.58 and 5,630,224.08
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Solution
The fourth proportional to 9,982,725.84, 13,776,791.58 and 5,630,224.08 is: 7,770,064.50
Step by Step Solution
- Step 1: Write the proportion equation
9,982,725.84 : 13,776,791.58 = 5,630,224.08 : x - Step 2: Convert to fraction form
9,982,725.84/13,776,791.58 = 5,630,224.08/x - Step 3: Cross multiply
9,982,725.84x = 13,776,791.58 × 5,630,224.08 - Step 4: Simplify right side
9,982,725.84x = 77,566,423,698,857.25 - Step 5: Solve for x
x = 77,566,423,698,857.25/9,982,725.84 - Step 6: Final answer
x = 7,770,064.50
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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.