Finding the Fourth Proportional to 13,852,126.08, 19,115,568 and 7,740,604.80
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Solution
The fourth proportional to 13,852,126.08, 19,115,568 and 7,740,604.80 is: 10,681,830.11
Step by Step Solution
- Step 1: Write the proportion equation
13,852,126.08 : 19,115,568 = 7,740,604.80 : x - Step 2: Convert to fraction form
13,852,126.08/19,115,568 = 7,740,604.80/x - Step 3: Cross multiply
13,852,126.08x = 19,115,568 × 7,740,604.80 - Step 4: Simplify right side
13,852,126.08x = 147,966,057,415,526.41 - Step 5: Solve for x
x = 147,966,057,415,526.41/13,852,126.08 - Step 6: Final answer
x = 10,681,830.11
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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.