Finding the Fourth Proportional to 15,043,977.36, 20,760,106.64 and 8,168,302.08
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Solution
The fourth proportional to 15,043,977.36, 20,760,106.64 and 8,168,302.08 is: 11,271,940.80
Step by Step Solution
- Step 1: Write the proportion equation
15,043,977.36 : 20,760,106.64 = 8,168,302.08 : x - Step 2: Convert to fraction form
15,043,977.36/20,760,106.64 = 8,168,302.08/x - Step 3: Cross multiply
15,043,977.36x = 20,760,106.64 × 8,168,302.08 - Step 4: Simplify right side
15,043,977.36x = 169,574,822,248,533.81 - Step 5: Solve for x
x = 169,574,822,248,533.81/15,043,977.36 - Step 6: Final answer
x = 11,271,940.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.