Finding the Fourth Proportional to 10,698,351.20, 16,023,907.20 and 8,808,783.20
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Solution
The fourth proportional to 10,698,351.20, 16,023,907.20 and 8,808,783.20 is: 13,193,726.95
Step by Step Solution
- Step 1: Write the proportion equation
10,698,351.20 : 16,023,907.20 = 8,808,783.20 : x - Step 2: Convert to fraction form
10,698,351.20/16,023,907.20 = 8,808,783.20/x - Step 3: Cross multiply
10,698,351.20x = 16,023,907.20 × 8,808,783.20 - Step 4: Simplify right side
10,698,351.20x = 141,151,124,541,719.03 - Step 5: Solve for x
x = 141,151,124,541,719.03/10,698,351.20 - Step 6: Final answer
x = 13,193,726.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.