Finding the Fourth Proportional to 12,960,076.70, 19,440,115.05 and 9,600,844.70
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Solution
The fourth proportional to 12,960,076.70, 19,440,115.05 and 9,600,844.70 is: 14,401,267.05
Step by Step Solution
- Step 1: Write the proportion equation
12,960,076.70 : 19,440,115.05 = 9,600,844.70 : x - Step 2: Convert to fraction form
12,960,076.70/19,440,115.05 = 9,600,844.70/x - Step 3: Cross multiply
12,960,076.70x = 19,440,115.05 × 9,600,844.70 - Step 4: Simplify right side
12,960,076.70x = 186,641,525,545,182.72 - Step 5: Solve for x
x = 186,641,525,545,182.72/12,960,076.70 - Step 6: Final answer
x = 14,401,267.05
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Similar ratio
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1.5x scale
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.