Finding the Fourth Proportional to 16,389,317.80, 24,583,976.70 and 15,549,509.80
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Solution
The fourth proportional to 16,389,317.80, 24,583,976.70 and 15,549,509.80 is: 23,324,264.70
Step by Step Solution
- Step 1: Write the proportion equation
16,389,317.80 : 24,583,976.70 = 15,549,509.80 : x - Step 2: Convert to fraction form
16,389,317.80/24,583,976.70 = 15,549,509.80/x - Step 3: Cross multiply
16,389,317.80x = 24,583,976.70 × 15,549,509.80 - Step 4: Simplify right side
16,389,317.80x = 382,268,786,619,621.69 - Step 5: Solve for x
x = 382,268,786,619,621.69/16,389,317.80 - Step 6: Final answer
x = 23,324,264.70
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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.