Finding the Fourth Proportional to 11,069,973.60, 16,603,405.20 and 3,497,704.80
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Solution
The fourth proportional to 11,069,973.60, 16,603,405.20 and 3,497,704.80 is: 5,246,065.81
Step by Step Solution
- Step 1: Write the proportion equation
11,069,973.60 : 16,603,405.20 = 3,497,704.80 : x - Step 2: Convert to fraction form
11,069,973.60/16,603,405.20 = 3,497,704.80/x - Step 3: Cross multiply
11,069,973.60x = 16,603,405.20 × 3,497,704.80 - Step 4: Simplify right side
11,069,973.60x = 58,073,810,064,384.95 - Step 5: Solve for x
x = 58,073,810,064,384.95/11,069,973.60 - Step 6: Final answer
x = 5,246,065.81
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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.