Finding the Fourth Proportional to 13,645,233.87, 18,823,624.81 and 8,134,725.84
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Solution
The fourth proportional to 13,645,233.87, 18,823,624.81 and 8,134,725.84 is: 11,221,869.01
Step by Step Solution
- Step 1: Write the proportion equation
13,645,233.87 : 18,823,624.81 = 8,134,725.84 : x - Step 2: Convert to fraction form
13,645,233.87/18,823,624.81 = 8,134,725.84/x - Step 3: Cross multiply
13,645,233.87x = 18,823,624.81 × 8,134,725.84 - Step 4: Simplify right side
13,645,233.87x = 153,125,027,144,372.06 - Step 5: Solve for x
x = 153,125,027,144,372.06/13,645,233.87 - Step 6: Final answer
x = 11,221,869.01
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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.