Finding the Fourth Proportional to 13,725,393.03, 18,925,510.68 and 8,757,185.13
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Solution
The fourth proportional to 13,725,393.03, 18,925,510.68 and 8,757,185.13 is: 12,075,005.82
Step by Step Solution
- Step 1: Write the proportion equation
13,725,393.03 : 18,925,510.68 = 8,757,185.13 : x - Step 2: Convert to fraction form
13,725,393.03/18,925,510.68 = 8,757,185.13/x - Step 3: Cross multiply
13,725,393.03x = 18,925,510.68 × 8,757,185.13 - Step 4: Simplify right side
13,725,393.03x = 165,734,200,704,552.19 - Step 5: Solve for x
x = 165,734,200,704,552.19/13,725,393.03 - Step 6: Final answer
x = 12,075,005.82
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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.