Finding the Fourth Proportional to 13,725,397.04, 18,925,516.20 and 8,757,189.14
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Solution
The fourth proportional to 13,725,397.04, 18,925,516.20 and 8,757,189.14 is: 12,075,011.34
Step by Step Solution
- Step 1: Write the proportion equation
13,725,397.04 : 18,925,516.20 = 8,757,189.14 : x - Step 2: Convert to fraction form
13,725,397.04/18,925,516.20 = 8,757,189.14/x - Step 3: Cross multiply
13,725,397.04x = 18,925,516.20 × 8,757,189.14 - Step 4: Simplify right side
13,725,397.04x = 165,734,324,935,534.06 - Step 5: Solve for x
x = 165,734,324,935,534.06/13,725,397.04 - Step 6: Final answer
x = 12,075,011.34
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1.5x scale
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.