Finding the Fourth Proportional to 7,168,410.90, 10,734,901.65 and 4,759,211.70
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Solution
The fourth proportional to 7,168,410.90, 10,734,901.65 and 4,759,211.70 is: 7,127,056.50
Step by Step Solution
- Step 1: Write the proportion equation
7,168,410.90 : 10,734,901.65 = 4,759,211.70 : x - Step 2: Convert to fraction form
7,168,410.90/10,734,901.65 = 4,759,211.70/x - Step 3: Cross multiply
7,168,410.90x = 10,734,901.65 × 4,759,211.70 - Step 4: Simplify right side
7,168,410.90x = 51,089,669,531,029.31 - Step 5: Solve for x
x = 51,089,669,531,029.31/7,168,410.90 - Step 6: Final answer
x = 7,127,056.50
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1.5x scale
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.