Finding the Fourth Proportional to 57,977,289.51, 86,963,664.49 and 19,638,803.57
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Solution
The fourth proportional to 57,977,289.51, 86,963,664.49 and 19,638,803.57 is: 29,457,436.50
Step by Step Solution
- Step 1: Write the proportion equation
57,977,289.51 : 86,963,664.49 = 19,638,803.57 : x - Step 2: Convert to fraction form
57,977,289.51/86,963,664.49 = 19,638,803.57/x - Step 3: Cross multiply
57,977,289.51x = 86,963,664.49 × 19,638,803.57 - Step 4: Simplify right side
57,977,289.51x = 1,707,862,324,162,579 - Step 5: Solve for x
x = 1,707,862,324,162,579/57,977,289.51 - Step 6: Final answer
x = 29,457,436.50
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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.