Finding the Fourth Proportional to 29,928,916.37, 41,301,886.56 and 16,177,880.90
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Solution
The fourth proportional to 29,928,916.37, 41,301,886.56 and 16,177,880.90 is: 22,325,465.90
Step by Step Solution
- Step 1: Write the proportion equation
29,928,916.37 : 41,301,886.56 = 16,177,880.90 : x - Step 2: Convert to fraction form
29,928,916.37/41,301,886.56 = 16,177,880.90/x - Step 3: Cross multiply
29,928,916.37x = 41,301,886.56 × 16,177,880.90 - Step 4: Simplify right side
29,928,916.37x = 668,177,001,712,990.75 - Step 5: Solve for x
x = 668,177,001,712,990.75/29,928,916.37 - Step 6: Final answer
x = 22,325,465.90
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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.