Finding the Fourth Proportional to 13,291,406.80, 19,937,110.20 and 3,194,027.80
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Solution
The fourth proportional to 13,291,406.80, 19,937,110.20 and 3,194,027.80 is: 4,791,041.70
Step by Step Solution
- Step 1: Write the proportion equation
13,291,406.80 : 19,937,110.20 = 3,194,027.80 : x - Step 2: Convert to fraction form
13,291,406.80/19,937,110.20 = 3,194,027.80/x - Step 3: Cross multiply
13,291,406.80x = 19,937,110.20 × 3,194,027.80 - Step 4: Simplify right side
13,291,406.80x = 63,679,684,230,463.55 - Step 5: Solve for x
x = 63,679,684,230,463.55/13,291,406.80 - Step 6: Final answer
x = 4,791,041.70
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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.