Finding the Fourth Proportional to 7,658,842.14, 10,569,617.91 and 4,395,630.78
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Solution
The fourth proportional to 7,658,842.14, 10,569,617.91 and 4,395,630.78 is: 6,066,209.09
Step by Step Solution
- Step 1: Write the proportion equation
7,658,842.14 : 10,569,617.91 = 4,395,630.78 : x - Step 2: Convert to fraction form
7,658,842.14/10,569,617.91 = 4,395,630.78/x - Step 3: Cross multiply
7,658,842.14x = 10,569,617.91 × 4,395,630.78 - Step 4: Simplify right side
7,658,842.14x = 46,460,137,818,035.27 - Step 5: Solve for x
x = 46,460,137,818,035.27/7,658,842.14 - Step 6: Final answer
x = 6,066,209.09
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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.