Finding the Fourth Proportional to 13,266,919.42, 19,901,237.18 and 4,169,396.83
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Solution
The fourth proportional to 13,266,919.42, 19,901,237.18 and 4,169,396.83 is: 6,254,364.90
Step by Step Solution
- Step 1: Write the proportion equation
13,266,919.42 : 19,901,237.18 = 4,169,396.83 : x - Step 2: Convert to fraction form
13,266,919.42/19,901,237.18 = 4,169,396.83/x - Step 3: Cross multiply
13,266,919.42x = 19,901,237.18 × 4,169,396.83 - Step 4: Simplify right side
13,266,919.42x = 82,976,155,211,370.14 - Step 5: Solve for x
x = 82,976,155,211,370.14/13,266,919.42 - Step 6: Final answer
x = 6,254,364.90
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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.