Finding the Fourth Proportional to 10,366,643.54, 15,549,852.99 and 3,543,151.70
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Solution
The fourth proportional to 10,366,643.54, 15,549,852.99 and 3,543,151.70 is: 5,314,689.16
Step by Step Solution
- Step 1: Write the proportion equation
10,366,643.54 : 15,549,852.99 = 3,543,151.70 : x - Step 2: Convert to fraction form
10,366,643.54/15,549,852.99 = 3,543,151.70/x - Step 3: Cross multiply
10,366,643.54x = 15,549,852.99 × 3,543,151.70 - Step 4: Simplify right side
10,366,643.54x = 55,095,488,056,268.59 - Step 5: Solve for x
x = 55,095,488,056,268.59/10,366,643.54 - Step 6: Final answer
x = 5,314,689.16
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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.