Finding the Fourth Proportional to 7,669,819.83, 11,506,058.34 and 3,410,320.23
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Solution
The fourth proportional to 7,669,819.83, 11,506,058.34 and 3,410,320.23 is: 5,116,071.09
Step by Step Solution
- Step 1: Write the proportion equation
7,669,819.83 : 11,506,058.34 = 3,410,320.23 : x - Step 2: Convert to fraction form
7,669,819.83/11,506,058.34 = 3,410,320.23/x - Step 3: Cross multiply
7,669,819.83x = 11,506,058.34 × 3,410,320.23 - Step 4: Simplify right side
7,669,819.83x = 39,239,343,524,462.22 - Step 5: Solve for x
x = 39,239,343,524,462.22/7,669,819.83 - Step 6: Final answer
x = 5,116,071.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.