Finding the Fourth Proportional to 7,484,154.68, 10,327,362.18 and 5,525,074.70
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Solution
The fourth proportional to 7,484,154.68, 10,327,362.18 and 5,525,074.70 is: 7,624,033.70
Step by Step Solution
- Step 1: Write the proportion equation
7,484,154.68 : 10,327,362.18 = 5,525,074.70 : x - Step 2: Convert to fraction form
7,484,154.68/10,327,362.18 = 5,525,074.70/x - Step 3: Cross multiply
7,484,154.68x = 10,327,362.18 × 5,525,074.70 - Step 4: Simplify right side
7,484,154.68x = 57,059,447,498,454.84 - Step 5: Solve for x
x = 57,059,447,498,454.84/7,484,154.68 - Step 6: Final answer
x = 7,624,033.70
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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.