Finding the Fourth Proportional to 9,103,725.80, 13,655,588.70 and 2,372,139.80
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Solution
The fourth proportional to 9,103,725.80, 13,655,588.70 and 2,372,139.80 is: 3,558,209.70
Step by Step Solution
- Step 1: Write the proportion equation
9,103,725.80 : 13,655,588.70 = 2,372,139.80 : x - Step 2: Convert to fraction form
9,103,725.80/13,655,588.70 = 2,372,139.80/x - Step 3: Cross multiply
9,103,725.80x = 13,655,588.70 × 2,372,139.80 - Step 4: Simplify right side
9,103,725.80x = 32,392,965,447,700.25 - Step 5: Solve for x
x = 32,392,965,447,700.25/9,103,725.80 - Step 6: Final answer
x = 3,558,209.70
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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.