Finding the Fourth Proportional to 16,128,671.40, 24,193,007.10 and 7,170,719.40
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Solution
The fourth proportional to 16,128,671.40, 24,193,007.10 and 7,170,719.40 is: 10,756,079.10
Step by Step Solution
- Step 1: Write the proportion equation
16,128,671.40 : 24,193,007.10 = 7,170,719.40 : x - Step 2: Convert to fraction form
16,128,671.40/24,193,007.10 = 7,170,719.40/x - Step 3: Cross multiply
16,128,671.40x = 24,193,007.10 × 7,170,719.40 - Step 4: Simplify right side
16,128,671.40x = 173,481,265,356,307.75 - Step 5: Solve for x
x = 173,481,265,356,307.75/16,128,671.40 - Step 6: Final answer
x = 10,756,079.10
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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.