Finding the Fourth Proportional to 16,171,976.70, 24,249,873.06 and 5,385,517.74
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Solution
The fourth proportional to 16,171,976.70, 24,249,873.06 and 5,385,517.74 is: 8,075,581.85
Step by Step Solution
- Step 1: Write the proportion equation
16,171,976.70 : 24,249,873.06 = 5,385,517.74 : x - Step 2: Convert to fraction form
16,171,976.70/24,249,873.06 = 5,385,517.74/x - Step 3: Cross multiply
16,171,976.70x = 24,249,873.06 × 5,385,517.74 - Step 4: Simplify right side
16,171,976.70x = 130,598,121,557,378.08 - Step 5: Solve for x
x = 130,598,121,557,378.08/16,171,976.70 - Step 6: Final answer
x = 8,075,581.85
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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.