Finding the Fourth Proportional to 13,322,340.36, 19,984,237.29 and 4,223,779.92
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Solution
The fourth proportional to 13,322,340.36, 19,984,237.29 and 4,223,779.92 is: 6,335,900.29
Step by Step Solution
- Step 1: Write the proportion equation
13,322,340.36 : 19,984,237.29 = 4,223,779.92 : x - Step 2: Convert to fraction form
13,322,340.36/19,984,237.29 = 4,223,779.92/x - Step 3: Cross multiply
13,322,340.36x = 19,984,237.29 × 4,223,779.92 - Step 4: Simplify right side
13,322,340.36x = 84,409,020,182,017.22 - Step 5: Solve for x
x = 84,409,020,182,017.22/13,322,340.36 - Step 6: Final answer
x = 6,335,900.29
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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.