Finding the Fourth Proportional to 30,576,711.84, 42,195,328.42 and 16,637,596.70
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Solution
The fourth proportional to 30,576,711.84, 42,195,328.42 and 16,637,596.70 is: 22,959,592.92
Step by Step Solution
- Step 1: Write the proportion equation
30,576,711.84 : 42,195,328.42 = 16,637,596.70 : x - Step 2: Convert to fraction form
30,576,711.84/42,195,328.42 = 16,637,596.70/x - Step 3: Cross multiply
30,576,711.84x = 42,195,328.42 × 16,637,596.70 - Step 4: Simplify right side
30,576,711.84x = 702,028,856,792,820.12 - Step 5: Solve for x
x = 702,028,856,792,820.12/30,576,711.84 - Step 6: Final answer
x = 22,959,592.92
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1.5x scale
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.