Finding the Fourth Proportional to 7,136,985.76, 10,703,764.52 and 3,295,116.91
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Solution
The fourth proportional to 7,136,985.76, 10,703,764.52 and 3,295,116.91 is: 4,941,883.95
Step by Step Solution
- Step 1: Write the proportion equation
7,136,985.76 : 10,703,764.52 = 3,295,116.91 : x - Step 2: Convert to fraction form
7,136,985.76/10,703,764.52 = 3,295,116.91/x - Step 3: Cross multiply
7,136,985.76x = 10,703,764.52 × 3,295,116.91 - Step 4: Simplify right side
7,136,985.76x = 35,270,155,410,293.01 - Step 5: Solve for x
x = 35,270,155,410,293.01/7,136,985.76 - Step 6: Final answer
x = 4,941,883.95
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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.