Finding the Fourth Proportional to 6,929,951.46, 9,564,512.99 and 4,031,022.75
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Solution
The fourth proportional to 6,929,951.46, 9,564,512.99 and 4,031,022.75 is: 5,563,497.76
Step by Step Solution
- Step 1: Write the proportion equation
6,929,951.46 : 9,564,512.99 = 4,031,022.75 : x - Step 2: Convert to fraction form
6,929,951.46/9,564,512.99 = 4,031,022.75/x - Step 3: Cross multiply
6,929,951.46x = 9,564,512.99 × 4,031,022.75 - Step 4: Simplify right side
6,929,951.46x = 38,554,769,435,205.41 - Step 5: Solve for x
x = 38,554,769,435,205.41/6,929,951.46 - Step 6: Final answer
x = 5,563,497.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.