Finding the Fourth Proportional to 9,205,744.68, 12,709,370.58 and 8,184,322.14
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Solution
The fourth proportional to 9,205,744.68, 12,709,370.58 and 8,184,322.14 is: 11,299,203.56
Step by Step Solution
- Step 1: Write the proportion equation
9,205,744.68 : 12,709,370.58 = 8,184,322.14 : x - Step 2: Convert to fraction form
9,205,744.68/12,709,370.58 = 8,184,322.14/x - Step 3: Cross multiply
9,205,744.68x = 12,709,370.58 × 8,184,322.14 - Step 4: Simplify right side
9,205,744.68x = 104,017,583,023,358.64 - Step 5: Solve for x
x = 104,017,583,023,358.64/9,205,744.68 - Step 6: Final answer
x = 11,299,203.56
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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.