Finding the Fourth Proportional to 7,122,015.34, 9,822,958.08 and 6,130,270.91
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Solution
The fourth proportional to 7,122,015.34, 9,822,958.08 and 6,130,270.91 is: 8,455,105.94
Step by Step Solution
- Step 1: Write the proportion equation
7,122,015.34 : 9,822,958.08 = 6,130,270.91 : x - Step 2: Convert to fraction form
7,122,015.34/9,822,958.08 = 6,130,270.91/x - Step 3: Cross multiply
7,122,015.34x = 9,822,958.08 × 6,130,270.91 - Step 4: Simplify right side
7,122,015.34x = 60,217,394,167,973.45 - Step 5: Solve for x
x = 60,217,394,167,973.45/7,122,015.34 - Step 6: Final answer
x = 8,455,105.94
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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.